Def system problems. Drove home and the white smoke stopped.
Def system problems Apr 17, 2024 · So, environmental regulations mandate that all modern diesel engines be equipped with a DEF system. I have seen that this forum is very good and I wanted to ask some questions I have about a 2017 John Deere 410l backhoe with DEF system. Like Sambor said DEF usage is directly proportional to fuel usage i. DEF would freeze solid in them almost daily, for the trucks that weren't used double shift. Another way to think of it DEF is consumed on a 50 to 1 ratio with diesel fuel. I fill it up, and the warning went away. Each and every one have and/or are having MAJOR malfunctions with the DEF/Emission systems, typically start at around 80K miles, and gradually worsen Mar 4, 2016 · Just wanted to post my experience over the past week with the DEF System Fault that put me in a 50mph Limp mode after 50 miles. The DEF is injected into the exhaust stream of the engine where the chemical reaction occurs to reduce the NOX. Whilst driving the the truck down to the dealership to make a trade and pick up a new truck the F350 went Mar 9, 2024 · DEF system fault is a common issue for more or less all types of vehicles containing this system. Diesel Exhaust Fluid (DEF) is a type of additive and safe chemical that, at a rate of 32. Sep 16, 2020 · Dealer probably did not fill up the DEF tank. May 1, 2021 · The service managed said it was clogged because of soot. Avoid overfilling the DEF tank because doing so might lead to fluid overflow and possible system damage. Turbo replacement is not cheap. the more fuel you use the more DEF you will consume. The system also knows (but won't really tell us) the level of the DEF tank. Jun 2, 2021 · I've read others having similar issues with the L5P later model duramax EGR system. Feb 15, 2018 · Since they said I was at 35% urea, the system must know the urea percentage. Learn more Jan 1, 2022 · Low DEF and Service DEF have different restrictions that Service Emissions These are from the '2020 6. So I drove around a little more, and the warning stayed on, then the limp mode count down came back, as did the LOW DEF light, then the limp mode counter went away. Regularly monitor DEF fluid quality for optimal system performance. Dec 17, 2023 · Issues such as sensor malfunctions, temperature-related problems, DEF crystallization, and nozzle clogging, though technical, have practical solutions that can significantly mitigate risks and enhance system efficiency. Jan 31, 2024 · This can damage the SCR system. This comprehensive guide is designed to equip you with essential knowledge and practical steps for effectively diagnosing and resolving DEF system problems. This process can reduce NOx levels up to 90 percent. Nov 15, 2023 · GM has issued a service bulletin about a fix now available for the 2020 through 2024 Chevy Silverado, Chevy Tahoe, and Chevy Suburban vehicles for a DEF sensor. As emissions regulations get stricter, the DEF system has become a critical component in modern diesel vehicles like the Titan. However, like any other machinery, Cummins DEF system can also encounter some common problems . The DEF problems have been resolved. Love it, pulling a 10,000# fifth wheel! First I wanted to see how the truck went into limp mode. DEF fluid is prone to freezing because it has a high water content, so a heater was added to the system to prevent freezing. 5% urea and 67. Make sure you clean the DEF injector, too. Since the sensor is built into the DEF reservoir dealers just replace the tank which is back ordered at many dealers. Avoid engine-related service calls due to diesel exhaust fluid (DEF). But not the last time In 2018 if you Google blue def problems Volkswagen Passat TDI, you will find that the FTC has told Volkswagen that they need to do a fix to the fix. This was early on in the application of this system and it happened to a couple out of about 30 trucks as I recall. I have a 2012 GMC 2500 6. A problematic DEF system will cause increased emissions and reduced engine performance. Jun 22, 2022 · The faulty DEF tank heater may be caused by the tank heating elements being exposed to DEF and shorting to the pump ground. My wife runs parts for our Aug 1, 2022 · 2017 - 2022 Super Duty - 50 MPH DEF Fault - Good day Gents Hello I am new to the site and am looking for Help/advice I have a 2019 F-350 with a 6. I found the answer--make sure you have def in the tank by either filling it or checking by way of your dashboard "information" system that says Diesel Exhaust fluid "OK". DEF is a combination of vehicle-grade synthetic urea and de-ionized water that the DEF system injects into a diesel engine’s exhaust In this video we tackle the #1 Problem on DEF and DPF Systems and offer some secrets and solutions on getting these problems fixed! There are many problems w Oct 20, 2024 · Having issues with the Diesel Exhaust Fluid (DEF) system in your Nissan Titan? You’re not alone. (Tried it) I had my DEF injector replaced after it broke off in May, and now dealer waiting for new CAT as well. If you rent one of our 330-gallon DEF totes, they come with a built-in ground spacer! Feb 21, 2016 · I have a 2014 cummins with 42,000 miles on it, now in the shop for the 4th time for DEF related problems. So anyone with a 2016 GMC Duramax you can call 1800-462-8782 customer assistance Center. 6 days ago · 1. Joined Jan 14, 2011 Messages 12,777 Location Alachua County, North-Central Nov 19, 2023 · GM has issued a service bulletin for a DEF sensor problem fix for the 2020 to 2024 GMC Sierra 1500, GMC Sierra HD, and GMC Yukon involving module recalibration. 🛠🚘--Like us o Dec 16, 2024 · Cold weather problems with DEF, 2024 ram 3500 33000 kilometers -10°C. About a week ago the dashboard started showing the DEF and Check engine lights. Jump to Latest 21 - 40 of 47 Posts. If you forget to refill DEF and this problem occurs, you can temporarily apply these 02 methods to eliminate this issue. However I've had nothing but issues with the DEF system since day 1. DEF is water and urea and must remain pure for it to work correctly. 5 gallons of Platinum Blue DEF and added it to the DEF tank. The dealer says that it is not covered by any sort of warranty. Feb 28, 2022 · The second Is a physical fault in the def heater itself that causes arcing across the internal heat element. This converts nitrogen oxide (NOx) into nitrogen, water and small amounts of carbon dioxide. Oct 3, 2021 · I picked up 2. It still reads low. Despite age, I believe Kubota covered the cost of replacing the system with the latest design. 00. our DEF system light came on threatening to slow us down to 8km/hr. 7 diesel. May 15, 2014 · With the code set and possible erratic temp of the DEF, the system will not run and pass the tests it needs to. The system is designed to freeze and thaw without issue. Dec 9, 2020 · I ended up removing the DEF injector at the SCR. Now my check engine light is on and on star sent me a message stating I have an “emissions system problem”. Jul 19, 2023 · Some of us HAVE had significant problems with the DEF system after having the recall work done. After reading up on the P203F code and knowing about crystallization of the fluid I bought and added a bottle of Rislone DEF System cleaner. so in line with what we see on the board. Luckily the Dodge Nov 16, 2024 · Rislone makes 2 DEF additives, 1 that is supposed to be used regularly and 1 that is a heavier duty type cleaner, which is what I used. Cummins DEF System: A Basic Intro. Shown is an example of a heater that would set a code if it was in a tank and exposed to DEF. So now I can get a new whole exhaust and DEF system for my truck would display these exact codes. I won't be relying on the gauge in Anymore. DEF does have a shelf life. " She took it to the dealer and they said that Ram is re-engineering a part and it will not be available until April 1, 2021. I finally get a call from the dealership stating that I have a bad It reset itself. In my case if was DEF metering system needed to be replaced. The addition of selective catalytic reduction (SCR) to the LML required the use of DEF fluid. But the issue was resolved easy enough. This is why we will be using this article to tell you about some of these issues along with fixes for them. If your machine as the update and is still having problems, Kubota is most likely going to send out engineers to look Jan 5, 2021 · I have had a few CEL event, all the p20ee. I had a clogged DEF injector replaced under warranty. Last night I got the "poor" DEF fluid quality message with speed restrictions in 99 miles. P10D9 (powertrain) Status: Confirmed ECM - EngineControlOnline info: Reductant Heater 1 Control Circuit Shorted P143C (powertrain) Status: Confirmed ECM - EngineControlOnline info: Reductant Heater 3 Control Circuit Shorted Reductant Heater 2 ControlCircuit Jun 13, 2023 · When the “Service DEF System See Dealer” warning appears on your dashboard, it indicates a problem with the DEF system, and you should take immediate action to resolve it. I have the % turned on Jun 10, 2021 · Likely a problem with the def pump inside the def tank or restriction in pump inlet are some of the causes. Local dealer came out 4 times tried fixing it to no avail. #10 . Nov 13, 2017 · DEF system problems Jump to Latest 9. Jan 28, 2021 · P2048, 5 MPH Derate, Def system problem Jump to Latest 3. After researching the problem, I realized there was a recall from Ford on this very same issue. 5% water, is specifically manufactured to maintain a low freezing point of 12 degrees Fahrenheit. Some of the symptoms are power loss, loss of oil, too much smoke, and a whining sound coming from the turbo. I have a total of 8 of those trucks currently. 5% deionized water or AUS 32 in ISO 22241. DEF System Problems Among the many components involved in a diesel powertrain’s catalyst efficiency, the DEF system is one of the more manageable components to diagnose. 1 2 3. As a result, the engine computer won’t take that nasty de-rate action. Apr 21, 2016 · The truth, of course, is that DEF is only useful in a rig with a DEF system, which consists of a separate tank, filler cap and fluid lines as well as a specialized exhaust system. Your best course of action is prevention. But I do keep the def tank full most of the time. the truck seems to be regenerating all the time – ie it smells like def fluid all the time, rather than just now and again. Sep 21, 2023 · Think of it this way, the SPN tells you what system is having a problem and the FMI tells you (very generically) the nature of the problem. What happens is the injectors cannot keep up with the blue def or vice versa. Reactions: Shelderado Jan 26, 2013 · Hello all, I own a 2013 Ram 2500 Cummins and have had nothing but problems with the sensors in the DEF system. Cummins DEF System Dec 20, 2024 · There are a few current discussions recently about the DEF system and how it should work according to GM. Every new Diesel since 2008 has major problems with the DEF and Emission systems. And you’ll need to check it manually, as you won’t be getting a warning that your DEF level is low. 9K views 5 replies 5 participants last post by Sprinter_Owner Nov 15, 2017 Mar 25, 2016 · DEF 32. I had a DEF fault code come on yesterday and limped home. I generally buy my DEF at the pump vs. Feb 26, 2024 · hello. Frozen DEF lines can be prevented by maintaining the DEF heating system, parking indoors when possible, and fixing any DEF tank or line cracks immediately. So far, it has cleared itself and read correctly prior to reducing the engine speed. Refer to Bulletin U02A2 for guidance on troubleshooting DEF system problems. Mar 28, 2023 · Various things have been tried over the years including replacing valves and a part of the catalyst system, flushing the entire DEF system, etc. I initially thought that topping it off with DEF fluid would solve the issue, but it didn't so I drove it over to a Ford dealership service facility. The def is not low and the truck still runs and drives fine. These brushless motors work by having north and south pole magnets mounted on a circular rotating assembly that attaches to the mechanical shaft of the pump. Apr 25, 2022 · This system ensures that the quantities of urea and deionized water in your engine are balanced in an appropriate ratio. Any advice for how to eliminate these continuous issues? Aug 26, 2021 · About a month ago I got a DEF system fault in my Ford Pass app while the truck was sitting in the driveway. Thanks! Mar 24, 2017 · Have 2016 2500HD GMC Duramax and with only 7700 miles have had in shop 6 times for DEF system issues. This system injects DEF, also known as UREA, into a special catalyst. Before everyone jumps down my throat about deleting it, its one of my company trucks so that complicates things. 7L Power Stroke Diesel - 2017 Ford Def problems - Recently I got a low Def warning on my 2017 Ford 350 Super Duty Platinum 6. So I started having issues with the DEF heater first, cant remember the code it threw but I changed the heater and the code went away. As I understand it, it designed so that when it freezes the internal heater thaws it enough to have some available when it's needed but that may or may not happen that way and causes a wide variety of problems ie: pump failure, sensor failure, brief ECU warnings of going in Apr 14, 2023 · It's also important to understand that when an item or system fails, or leaks, it often will create additional problems that are collateral damage from the covered item. PROS Nov 16, 2023 · Released yesterday, If you are having issues with your DEF sensor not reading correctly, or causing a check engine light, DIC message, etc, GM now has a DEF sensor calibration they can do to hopefully correct it. You may prevent unexpected DEF system problems and ensure the system is functioning properly by routinely monitoring the DEF fluid Jun 5, 2023 · Explore Our DEF Deliveries Call For A Free Quote: (410) 876-6800 Overfilling. Jun 25, 2015 · I have a fleet of 30 trucks, and started purchasing Dodge Ram 5500 6. I easily cleaned the DEF injector with a nylon toothbrush and distilled water. So an example might be SPN3364= Diesel Exhaust Fluid Quality and FMI 18= Data Valid But Below Normal Operating Range-Moderately Severe Level. boxed and over the past 5 years of diesel ownership that’s the only time I’ve had a problem with it between 2 different vehicles. Apr 10, 2024 · The problem came from emissions. 00 plus installation costs and then the Tax Probably more like $5000. However, the following problems can arise with the DEF system from time to time. 19) GM now has a different supplier making the heater mats for both production and service DEF tanks. 7 Diesel. Does the DEF system cause frequent problems in the machine? How much does the DEF system consume every 10 hours of work? What happens if you let the Don’t forget to add DEF after every 6000 miles, or a service DEF system message will appear in your DIC, and your max speed will be reduced to 4 miles per hour. Check DEF pump circuit connections for potential issues. 2022 3500 Laramie DRW Mega, Delmonico Red, Night Edition, HO/Aisin 3. 7L Power Stroke Diesel - Ford F350 DEF system problems - I have a 2012 F350 6. Jun 29, 2018 · The van has approx 4500 miles. Jan 24, 2022 · Brother I feel the pain, I live in Kentucky and still have the same problem as you, I have had mine a year and the def problem at times I smell antifreeze and only had to add 1qt for 22000 now have recall on fuel pump and lug bolts you would think 80k would get you a little better truck lol, dealer said they have no idea when part would come in so I keep driving on. Dec 3, 2019 · It's almost never an actual problem with the DEF itself, especially if you have since topped off with fresh. Check engine light comes on and a message displays check DEF system see dealer, then it will say 150 miles until speed limited to 5mph. We've done the fix on 250+ machines since last summer and haven't had any issues with the DEF systems that weren't a result of people putting diesel or something besides DEF in the DEF tank. Recently, warnings for low DEF or Empty DEF will randomly pop up. Jul 13, 2021 · The specific DIC warning is "DEF system" related. If the code reoccurs after clearing it, your loader’s DEF system needs thorough attention. Known problem, not a recall as it's very random with 2014 and 2015 super duties. What should I do Feb 11, 2021 · The two reductant (DEF) heaters are designed to thaw DEF that has become frozen in temperatures below 32°F (0°C) in the Emission Reduction Fluid Tank and supply line to the DEF injector. Address sensor malfunctions promptly to prevent false alarms. But after reading it, it would be hard not to be confused. I guess it's best to top your take off on a regular basis. Apparently running it dry caused an injector in the DEF system to fail. Love this tractor. Similar to exhaust gas recirculation (EGR) systems on gas-powered vehicles, the DEF system burns off remaining particles in the exhaust stream to control emissions. Jan 24, 2022 · Learn everything you need to know about DEF Head Failure, Issues, System Problems & more. Proper diagnosis and repair will get your DEF system running smoothly again. The truck was about to go into regen the next time I drove it. John Deere 333G DEF System Fault. Sep 11, 2021 · The DEF sensor simulator tells the engine that all is well with the DEF system. Based on what I have read you waited until the warning and added DEF and that is what GM says you are to do. Using a code reader to pinpoint specific trouble codes is helpful in understanding what needs immediate attention. I traded it at 65,000 miles for a 2021, the 2021 has problems. Anyone else dealing with this? Or have an idea what it might be? Dealer is booked on appointments till next week. turbobrick240 Top Post Dawg. This same DEF system problem also affects Jeep models like the Wrangler, Gladiator, and Grand Cherokee equipped with Cummins diesels. The display says "service Required see owners manual" but nothing else. Took it to the dealer only to find out emissions warranty is only 50k (truck has 65k). I thought like the p20ee, the p2BA9 was a fluke, I added fresh DEF and so reagent quality was not an issue. For instance, a P207F code might indicate issues with the SCR (Selective Catalytic Reduction) system. Jan 22, 2022 · I've been reading in a bunch of different forums about this system and it appears that problems with it are hit and miss. I had the TB serviced @101K in 2019 and the car now has 108K. If the DEF tank is empty, the dashboard indicator light will illuminate and the engine will de-rate after a period of time. But when this system runs into problems, it can be a real headache for truck owners. I live in wisconsin. Jan 30, 2024 · Q7 MK 1 Discussion - 2012 Q7 - DEF system issues - So I bought this thing around five years ago and have honestly enjoyed it. I've been running Platinum DEF. Watch this video to further understand your truck's DEF and avoid issues. Diesel exhaust fluid (def) has no bearing on regeneration of the dpf (diesel particulate filter)That’s what he was getting at. I don't know if it will reduce deposits inside the tank, but it definitely helps reduce DEF injector clogging. Aug 6, 2020 · Most manufacturers are required to utilize SCR and DEF systems on engines over 75 hp. Dec 6, 2015 · On the way home to Prudenville, Mi, the engine light came on and then went off a couple days later. 6L diesel supplement: Service DEF System If a problem occurs with the DEF system, a DIC message displays along with distance until vehicle speed is limited. Dec 18, 2016 · Friday After about 2 hours of driving the "service DEF" light came on at the same time as the "Service Engine" light. It’s good practice to top off the DEF tank at the end of day. Download PDF of coverage details Heavy Duty Ram Trucks — Model Years 2013-2018 Mar 7, 2018 · 6. 2012 GMC Sierra 2500HD Diesel 2wd Crew Cab. I had a 2017 duramax and i am no stranger to the problems these trucks are prone to in regards to the DEF system. I added more DEF and drove about an hour - no change. Keep your DEF system in top shape to ensure optimal performance. If you drive over 80 mph for more than 15 Mi the blue def light will come on. BAD. No driving problems. Jul 21, 2017 · 1999 - 2016 Super Duty - Def problems - I wanted to see how many people are having problems with the def system I have a 2012 f250 with 30k on her I have owned the truck about 3yrs the truck has bin in the shop I believe this is the 7th time for the same issue def system fault and the engine idle soon message truck Nov 7, 2019 · Hey guys, My wife's truck, 2016 Ram 2500 Laramie 4x4, had a trouble code earlier this week. 7L Power Stroke Diesel - DEF System Contaminated/Recall Void - I have a 2016 F350 that has been throwing the P20BA code for several weeks now. A week ago I though it might be a good time to add some DEF, I was close to 1/4 tank, added some fresh DEF and then got a CEL, p2BA9 and then a p20ee. Both of these shouldn't exist in a late build 2021 or 2022. In a best-case scenario, your DEF system itself is fine and you just need the heater replaced. Mar 17, 2022 · 6. Sent from my SM-G981U using Tapatalk Aug 10, 2018 · He tried to clear the codes but they wouldn't go away. Paid the diag fee and was told I had low reductant pressure and was quoted $2700 for a DEF new pump (Not today Satan!!>. 2K views 2 replies 3 participants last post by mpark Feb 2, 2021 May 6, 2016 · I also pointed out that the truck only had 3800 miles on it. A little over a year ago, on a sub zero morning the wife started the car up to warm it up before the trip home 90 miles north. The reductant control module monitors the reductant temperature sensor located within the Emission Reduction Fluid Tank in order to determine if reductant The 2013 Ram 3500 has 2 problems reported for def system faulty. But even trucks that require DEF are not immune from potential problems: Ford and Ram put their DEF filler necks inside the fuel filler door, right next to the fuel Under Emissions Recall VB, the warranty extension of certain emissions control system components applies to all 2019 Ram 2500 or 3500 pickup trucks. The fill DEF tank flashed on and showed 200 miles to no Jul 23, 2003 · Replaced DEF filter drained my fairly fresh DEF and warning returned within 5 minutes. I made the decision to trade this truck in for a F150 as the F350 is just too big for me, it has an eight foot bed on it. After about 20 minutes of driving the CEL extinguished! Today, we bring you the most common Cummins DEF system problems. Sep 23, 2019 · Equipment; Fleet Maintenance; Tips for Avoiding 3 Common DEF Problems. We've noticed a lot of people having issues with their DEF's lately. If you can get actual level from the system and urea percentage, you should be able to calculate a correction based on capacity of the tank - like adjusting pH in a swimming pool. (Fig. If your car has a DEF system, you might have heard horror stories about the problems that can crop up with this technology. They also are REIMBURSEMNET REQUEST FORMS I GOT ALSO!!! Dec 6, 2015 · DEF System Fault Problems. Had the NOX sensor replaced. Dec 22, 2020 · Problem areas of the DEF system include the DEF reductant pump, the tank heaters (DEF won’t flow if it freezes – and it will freeze at -11 degrees C), and the spray nozzle which can clog up with crystalline DEF. A lack of DEF entering the system due to a clogged or failed injector will cause the same kind of NOX sensor readings that bad DEF would cause, though, so it can set off the Poor DEF Quality message. Cause: GM Engineers have determined that these issues may be attributed to a software anomaly within the vehicle’s Mar 31, 2023 · 2013 Passat TDI SEL bought with 85K miles on it. I also replaced the DEF injector gasket bought at Geno's garage. Sep 2, 2016 · Fortunately it was Monday about lunch time, local Ford dealer in Kalispell MT, Valley Ford took us in and fixed it in two hours including all kinds of testing. NOx2 levels, which ideally are as close to zero as possible, rise off the charts. I was able to pick the crystalization from the SCR input. They have updated software so low DEF warning comes on at 50% full instead of 25% (confirmed as my new M5-111 comes on at 50%). Now, a week later, it came back on. Replacing a DEF heater will cost about $800 for parts and labor. The Ford F-series, 6. 0 Duramax. To avoid costly downtime, stay proactive with regular maintenance, proper DEF storage, and handling. Oct 9, 2019 · I have a 2015 Ram 3500 that threw a DEF alert the other day and then gave the wonderful 150mi til shutdown message. Finally with less than 1,000 miles until the DEF system Jan 28, 2022 · - No other problems with the car since I purchased it . I have an appointment in a week but was wondering if anyone else has had this problem. So what exactly is DEF? DEF is a mixture of roughly one third urea and two thirds purified water. It's all the same, madblue to bluedeath, but a registered trademark name you will pay more for. Jun 17, 2018 · We have a handful of Chevy and gmc vehicles one is a 2015 2500hd diesel major def system problem . Oct 30, 2013 · I am NOT saying the DEF/SCR system in all vehicles is perfect - however what I am saying is your SCR problems (Nox, tank, catalyst) ALL point to a DEF contamination problem - and once a vehicles DEF and SCR has been seriously contaminated contaminated - yes - it is a b*tch getting the contamination flushed and especially getting SCR system back Feb 11, 2022 · I have 61,000 miles on a 2020 gmc sierra 2500hd denali with the L5P duramax, I want to love this truck, but over the last 2 months the def system has failed, the entire emissions system has failed, coolant sensor level has failed, and a heater core has failed. Jan 19, 2017 · Hi all, I'm here for help. Alfa obd with cheap obd adapter can perform these tests on the def system. When you checked the temp of the DEF fluid, was it at key on engine off? Was the ambient temp 117 Deg F when the temp was checked? GM has issued numerous Bulletins on the DEF system to clear various messages. The DEF heaters on the LML is known to fail frequently, sending the engine into limp model with reduced Jan 16, 2019 · A tank holding the DEF fluid and pump to transfer the fluid to the injector round out the system. To effectively diagnose problems with your DEF system, make sure you have the following diagnostic tools ready: Diagnostic Tools: Utilize scan tools and code readers to identify specific DEF system faults. Sep 21, 2017 · 6. Nov 11, 2023 · Many diesel vehicle owners face DEF system challenges, but understanding and troubleshooting these issues doesn’t have to be daunting. Then according to GM the gauge should reset it's self just like your fuel Apr 10, 2023 · Cummins DEF System Troubleshooting: 6 Common Problems Regular maintenance of the DEF system is essential for proper engine performance and emissions control. In a nutshell as sensitive as alot of people say the def system is till an additive like is is well proven it will not be added to my tank even if someone gave me a case for free. Stock. DEF Heater Problems. 7L Power Stroke Diesel - DEF issues - I just bought a used F250 diesel powerstroke with 90k miles on it. When I called the service department was told to drive it unless some other code showed. Tried filling it up, and discovery it was full. Average failure mileage is 59,250 miles. Waiting to see what happens next. A sensor went bad along with the injector for the DEF into the system as it had crystallized. The total DEF system replacement cost will vary from vehicle to vehicle. Of course, many early model LML’s experienced SCR and DEF problems, resulting in expensive repair bills. None of these efforts worked for any appreciable amount of time so the last thing that has been tried is the replacement of the entire catalyst/particulate filter assembly - front and rear. Aug 29, 2024 · Your topic should have been dpf system not def system. Thanks everyone! Oct 19, 2022 · When the sensors fail the vehicle will usually display a fault code that says “DEF Quality”, “DEF Tank Level” or “DEF Tank Temperature” because these are the things it monitors. He can't fix the speed problem going uphill because he doesn't do aftermarket tuning. Within the SCRoF, NOx is converted to nitrogen (N2), carbon dioxide (CO2), and water vapor (H20) through a catalytic reduction fueled by the injected DEF. I agree with you on the recall, I just had one done 3 weeks ago and then the DEF warning showed up about 2000 miles later. thank you for your reply, yes I have followed the troubleshooting guide, the DEF tank was almost empty when I got the warning light and buzzer with that trouble code at the first place, so I filled the tank with two jugs and the gauge on the electronic monitor in the dash shows half tank now, so I thought the code will clear by it self then I used the ET diagnostic tool but again I can't May 12, 2024 · Conduct diagnostic testing to identify DEF system faults accurately. That is because the turbo is too small for the power and torque demand placed on the engine. This is a fact that GMC has a faulty DEF System in the later model Duramax and are waiting until after 50,000mi when the warranty runs out. They replaced it and topped off the DEF tank. Jul 31, 2014 · DEF Injector itself can only get clogged I think if the pump is not pumping DEF or kinked line. I've been calling around but haven't found a tuning shop that works on Promaster yet but I haven't tried that hard because I'm thinking of getting the def system reinstalled. In example, when the turbo's oil seals failed, oil went places it shouldn't and leaked out onto coolant/heater hoses, etc. Later, I cleared the P20E8 code and drove 6 miles and got the dreaded "Have DEF system serviced" message and the 150 mile countdown. Winterize your DEF supply by keeping snow off and away from your storage unit and keep the container off the ground. After reading about similar problems online, I'm doubting that it's actually a def pump problem. They told me this may not be the problem and I may have to replace the DEF system which is very costly. So now I have a Apr 16, 2024 · The DEF issue on mine is a common problem if fresh DEF is not used and maintained; I messed up, so it's very much on me. 9 Cummins diesels in 2012-13. 5) include: Exhaust temperature sensor; DEF injector mounting flange Jul 23, 2003 · Nov 1, 2022 / To do and not to do with Kubota DEF system. jeff9366 Super Star Member. Dean Arbour Ford checked it out and told me it was a def pump fault and would be a $2100 fix. L After driving the truck for about 5 days, i got the dreaded "def system fault, in 50 miles Jul 13, 2021 · The mechanic said to either take it to a tuning shop or get the def system reinstalled. Regardless I was at 78k and decided to delete. Once I switched to Platinum, I haven't had any more problems. I have been having problems with the DEF system putting my truck into idle mode and it has been in and out of the shop nickel and dimming me. Jan 1, 2020 · (THATS FROM THE LETTER FROM GM) MY TRUCK HADE THIS EXACT PROBLEM AT 24000 MILES,SO I STRAIGHT PIPED IT. 7L and I'm having issues with the DEF system. Dealer says there is no mileage on def fluid it uses, what it needs. Jan 19, 2021 · In this design, when the system shuts down, the DEF just goes back to the tank by gravity and depressurizes over time, but every DEF pump I have seen recently indeed has a brushless DC motor. At random distances I am getting "Service DEF System" and the truck starts slowing itself down. Aug 31, 2023 · Common DEF issues include contamination, freezing in cold temperatures, quality concerns, incorrect DEF levels, pump and injector problems, and tampering. once covered by the extended warranty we bought repair billwas close to $8000 basically whole def system failure second time dealer said it was 14 months ago not covered so took to a respected mechanic in town same exact problem charged us $6200 Jul 14, 2021 · Poor quality DEF can cause significant component damage, equipment failure and void the manufacturer’s warranty leading to expensive repair costs. I have had it in the dealership multiple times for system faults. NOX sensors can be faulty, as well a several other things. Contamination, crystallization, freezing due to cold temperatures, Urea dilution, and reduced fuel efficiency are the main DEF-related issues you should keep an eye out for when dealing with Cummins powerplants. DEF tanks can build condensation, and that water can lead to contamination. Drove home and the white smoke stopped. First one was a 2020 and the truck was awesome and never ever had any problems. Mar 2, 2022 · The only time I had issues with frozen DEF, was if the tank heater didn't work. These issues can lead to warning lights, reduced engine performance, and increased emissions. I filled the DEF tank until full and the next day I see that the display on the dash does not show tank as being full but maybe only a 1/4 full. Every time I bring it into the dealer they say it is a DEF sensor (different one Mar 24, 2017 · What kind of def system problems are you having . 5% water and 67. The check engine light has come on about 6-8 times since the first one came on about 14 months ago. When diesel exhaust fluid quality deteriorates, you may experience increased DEF consumption or reduced DEF effectiveness, equipment failure, SCR system malfunctions or component damage. My truck required a reprogram but my def tank seems ok. I found crystalized DEF had almost completely plugged the injection input into the SCR. I've had my truck since march 2021 and no issue yet. Seek professional help for persistent frozen lines not resolved by thawing attempts. Does anyone know if they have made any improvements for 2017 Aug 6, 2021 · 6. 2012 King Ranch 44500 miles, bought used 4/2015 with 36K miles. The advantages of this system are cleaner Dec 17, 2017 · My dealer told me the DEF system was under warranty until 50k, although Ive heard others say its covered under Federal emissions until 80k. Mar 9, 2017 · My 13 5500 Ram give me Issues all the time with the DEF and Emissions (it was in the shop 2 weeks ago) the truck has 80K on the dial. 2022 2500 4X4 Big horn. Dec 29, 2014 · DEF Sensor Failure I am one of the many --apparently-- who is having problems with the DEF system fault message. Feb 12, 2023 · The problems that can occur with a DEF system. In the fall we put it on 13x71 auger to fill wet tank. The exhaust aftertreatment system components (Fig. Never fear. From blockages to contamination, there's no getting away from the fact that problems do occur - and sadly, when they do, it's not always easy to get them fixed. I made 4 trips to MB Albuquerque, NM last summer over the course of about 3 weeks to have 2 DEF system problems fixed, travelling back & forth from Utah. Mar 24, 2022 · DEF is injected into the exhaust gases prior to entering the SCRoF stage. It reads, The PCM has detected no flow of DEF into the exhaust system for proper emissions control. Started acting up towards end of harvest would derate, problem with DEF system. May 12, 2024 · When diagnosing DEF pump issues in your Ford F-350 Super Duty, having the essential tools is vital. 7 L Power Stroke Turbo Diesel. . So, what do I do next? To me, P20E8 implies low DEF fluid pressure and a bad DEF pump. The JD 333G Diesel Exhaust Fluid (DEF) system can be problematic and cause the loader to throw fault codes such as DCU 523588. Nov 27, 2024 · DEF gauge was at about 40% full and the turbos were boosting fine. 07. DEF Sensor Problems Ford Ive got a 2013 ford f250 6. Jan 9, 2020 · The DEF quality issue ONLY comes on for me on a long trip while towing. Full tank of DEF. Is this DEF system failure at all common in 2015 Sportswagens? Hope not. 6 I have 115,000 miles on it and over the past 50,000 miles I've had to have the DEF injector replaced and the entire DEF tank replaced. Apr 11, 2018 · 6. In this article, I’ll use my expertise to explain what the “Service DEF System” message really means, outline the common causes, and detail how to fix them. Jan 26, 2021 · I've actually read through threads relating to DEF problems that date back to 2011 and earlier! Please respond to the poll if you have had similar problems with your DEF system! I'll try to monitor this thread, but life may get in the way. Overfilling DEF tanks can cause problems such as leaks, spills, or even damage to the equipment. Jun 2, 2021 · The Duramax LML got a few new emissions systems that the LMM didn’t have, most namely being the SCR system in conjunction with DEF fluid. 7 Problems Forum (2017-2019) Exhaust Fluid System Fault!!! You can’t delete just the DEF system. Dec 25, 2017 · Couple of years ago bought a mx145 CVT. It was kinda ok def system is still under warranty. Jan 28, 2021 · The def pump only works when this condition happened when your def pump is in the dosing state. Dec 10, 2018 · Remember to change DEF filters regularly according to service intervals. If the problem persists, the monitoring system will impede the function of the engine or even force it to be shut down. May 31, 2015 · What did the problem end up being? I also have a 2012 that just came back with the same issue. e. No ETA was given. 73 Apr 28, 2024 · Besides, def crystals dissolve once wet again by def and what doesn't dissolve will with a little agitation (driving). You have something that needs Oct 4, 2024 · To prevent any possible harm to the DEF system components, it is essential to utilize high-quality DEF fluid. The dashboard said, "Service Def System. In addition, it stated that I would have 49mph speed limit in 40 miles. 7 L PowerStroke trucks, fall under that category. Apr 30, 2022 · Turbocharger Problems- The part that causes the problem is the turbo bearing. After that the LOW DEF light thing was gone, the countdown was gone, but the "Service DEF System See Dealer" remained. The following conditions are required for effective dosing to occur: – No current DTCs for the SCR or DEF system – DEF tank level must be above 6% filled with DEF – DEF quality must be verified by the quality sensor Nov 14, 2023 · Display of “Service Emission System” and/or “DEF Level Low” messages on the Driver Information Center (DIC) Incorrect DEF level sensor readings; Erratic behavior of the DEF level sensor; DEF level sensor getting stuck. Crystalized DEF will dissolve 100% instantly if exposed to water or DEF. Overfilling can also cause DEF to be expelled from the system, leading to a loss of DEF volume and potentially causing the engine to run inefficiently. DEF consumption will be approximately 2% of the diesel fuel consumed. Jul 13, 2021 · Here are the top questions about diesel exhaust fluid (DEF) and the most common ways DEF gets contaminated. The truck has 21,000 miles on it now. Watching the NOx1 and NOx2 sensor levels (OBD Fusion app), it looks like the DEF system is just completely overwhelmed during a long uphill with my foot in it, as it must be when towing. Jan 9, 2022 · This is my second Silverado 1500 with the 3. 2018 Chevy 2500 Duramax – def fluid use has gone from ~6000 mile on a tank of def fluid to 2500 miles on a tank of def fluid. Yes, you’ll need to keep DEF in the system. I'm not sure if it's a diesel thing, or just a lack of good quality Diesel support from the dealers; they will do anything to keep from fixing them, and repairs seem to take Aug 30, 2021 · Def problems Dealer says intermittent signal from Def Sensors… Cannot repair Must replace tank whole unit… quoted me $4000. Apr 19, 2019 · A low DEF warning or bad DEF quality fault is almost never the real problem, both of those things very rarely happen. Nov 10, 2023 · 2. $5500+ for the repair (new DEF/filter system) Before the the failure, I did not receive any message that there was an issue with DEF system. Read all about DEF Heads & DEF Problems! DEF systems are crucial for reducing NOx emissions but come with challenges like crystallization, contamination, pump failures, and sensor malfunctions. Hey all, got a 22 slt 1500 duramax last week. its not just the Nissans having problems. Oct 7, 2019 · I had the DEF related software update several months ago. I saw that Super Tech Def in WM now has a date on it, could just be the plant that filled the jug. You’d have to take the DPF out as well and the EGR. While the Duramax emissions systems are good for what they are meant to do… Oct 7, 2024 · Trouble codes play a significant role in diagnosing DEF system problems. Ignoring the warning could lead to reduced engine performance, increased emissions, and potential damage to the engine. Jan 7, 2021 · This morning I got the "Service DEF system, contact dealership" message. Dec 29, 2019 · Once you're finished, refill with fresh DEF. Except for this crazy DEF system, I still love the truck. But truck owners have been reported to face it more frequently. The dealer is telling me i need the updated tank and have now ordered it. That’s where DEF came in. bmeqbdpnaiuobcpecejhiepyywiujwrthkovvpviodgnzqete