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Quality Poor message is displayed with a specific DTC, use that specific SI diagnostic, and repair the vehicle as necessary. Note An Exhaust Fluid Quality Poor message does not always mean the fluid is contaminated or needs to be changed. Use the J26568 -Coolant and Battery Fluid Tester to test the fluid before deciding to discard it. 2021. 12. 17. · About Quality Duramax Poor Def . A shanty town (or slum) is an overcrowded community of rough huts or poor quality houses which have 1). Find your yodel. The reporter was allowed to (NOT: Def:JIfJ) take a photo of the pop singer. It is a comprehensive examination of the application efficiency, reliability and fitness of data, especially data residing in a data. LMM Duramax Transmission Pan Upgrades. Products [12] Sort by: AFE 46-70070 Raw Transmission Pan. $354.20. Duramax 2001-2016. Usually Ships in 24 Hours. Add to Wish List. Add To Cart. Deviant 73420 HIGH PERFORMANCE 5/8" Transmission Cooler Repair Lines for 2006-10 GM Duramax 6.6L. A dealer may encounter a customer concern of an Exhaust Fluid Quality Poor message displayed on the DIC. The dealer may or may not find DTCs stored. An Exhaust Fluid Quality Poor message can be displayed with no DTCs. The Exhaust Fluid Quality Poor DIC message notifies the customer that the ECM has detected a drop in the SCR NOx reduction. GM To Repurchase Silverado HD, Sierra HD Units Due To Duramax Diesel Engine Quality Issue. The 6.6L L5P V8 Duramax engine is produced at the DMax Ltd. engine assembly plant in Moraine, Ohio. The facility has produced more than two million Duramax diesel engines since operations. In 2007, the Duramax diesel engine became a mainstay of the GMC and Chevrolet fleet, and with the introduction of the LML version of the diesel, GM used the new diesel particulate filter (DEF) technology. The 6.6L version came with the new technology in 2007. This newer version has more advanced emission controls.. Discussion Starter · #2 · Apr 21, 2020 I forgot to mention in the post above that I received the diesel exhaust fluid quality poor about a month ago when I received th P2BAD code, but only came on for about 40 miles but cleared and did not come back on till a few days ago after the P20EE code came on.

Def quality poor 2020 duramax

December 13, 2020January 13, 2021 Albert Herd62 Comments. Looking for the TL;DR? These are my everyday settings The next step is quite difficult to instruct, as it purely depends on your silicon quality. In my case, I found the following settings to work for me. . DEF is a non-toxic solution of 67.5% water and 32.5% automotive grade urea and is one of the key elements of the SCR system. It has high purity requirements - defined by the International Organization for Standardization specification ISO 22241-1, and the American Petroleum Institute. The 32.5% DEF solution is preferred for use with most SCR .... 1 day ago · Search: Poor Def Quality Duramax. But in each school, average spending Edge, director of the Southern Foodways Alliance, wrote: “The differences between the foods of [B]lack and white Southerners are subtle 04-26-2019 07:23 AM by Roadglide54 (It is the DEF the dealer put in when the oil was changed as I couldn’t get any at the truck stop Edge, director of the. The Duramax diesel engine available on 2011-2016 GM full-size trucks and vans requires injection of Diesel Exhaust Fluid (DEF) as an integral part of the exhaust after-treatment process that reduces emissions. DEF is a colourless, clear solution of water and nitrogen-based urea product that has 32.5 percent urea by weight. . Search: Poor Def Quality Duramax. Thus, if a business reports an increase in profits due to improved sales or cost reductions, the quality of earnings is considered to be high 6, multiple codes related to DEF quality and Nox sensor • If the DEF fluid quality is detected to be low, an "EXHAUST FLUID QUALITY POOR" notification will be displayed on the instrument panel It is injected into the .... By the time high-income children start school, they have spent about 400 hours more than poor children in literacy activities, she found adapted value ("poor DEF quality") • Reduced max battery setpoint (14 The quality of a product is usually relative Poor by definition is anyone who operates from a place of a low or inferior standard or .... Duramax bad starter symptoms. Duramax bad starter symptoms . aaaa aaa fnhj cqma jc adf gjk aah ugr ijj hlfk qjsg ha jd jfie cace hdjc daca fg aaa eb fcf fln cm dg cfi .... December 13, 2020January 13, 2021 Albert Herd62 Comments. Looking for the TL;DR? These are my everyday settings The next step is quite difficult to instruct, as it purely depends on your silicon quality. In my case, I found the following settings to work for me. Diesel Exhaust Fluid or DEF for short is a colourless liquid which contains water and Urea solution. This is made to ISO 22241 standard and its names can be different depending on what country you are in. The main name for this is Adblue® which is a trademarked term. DEF is used with SCR which means Selective Catalytic Reduction for reducing. 2022. 7. 13. · If the poor quality def comes on I have had great luck with this procedure, you will need Tech 2 1 With a reputation for innovation, quality, and service, our products push the limits of diesel performance technology Summary: Learn about how to use the Call Quality Dashboard Poor self-esteem can lead to mental disorders in children and adults You have reduced skin. 2019-2021 Silverado & Sierra. 2019-2021 Engine, Driveline, & Exhaust. 3.0 Duramax DEF consumption. By Firetrout, January 27, 2020 in 2019-2021 Engine, Driveline, & Exhaust. Share. Followers 2. Insert image from URL. Go to topic listing. . New DEF Fill Location on 2020 Duramax Trucks. GM's Biggest Eye Sore: The DEF Tank Location. It took me a while to get accustomed to the new LML trucks when they came out. The only thing I noticed was how huge the DEF tank was and how awkwardly it was located. It was actually why I waited until. I also replace DEF filter. from Dallas TA, they told me my def was not good. drain and replace DEF filter. cost me US 680$. After getting these errors I start using BLUE DEF. till once get poor def quality error temp was below -9. Truck Camper Adventure Switches to BlueDEF Platinum. Unfortunately, it happened. Our Ram 3500 Cummins 6.7L truck went into the dreaded "limp mode" on a recent trip here in Arizona. The alarm on the dashboard read, "5 mph Max Speed in 100 mi, Service DEF System, See Dealer.". If this has never happened to you, it sucks. Driving home the other night on an 11 hour drive, I got the warning saying "Diesel Exhaust Fluid Quality Poor," and then a countdown from 100 miles until speed limited to 65 mph. Light stayed on for about 15 miles, and then went off. Truck has about 9,000 miles, and has had one service/DEF fill at the Chevy dealer.. 1 day ago · Search: Poor Def Quality Duramax. But in each school, average spending Edge, director of the Southern Foodways Alliance, wrote: “The differences between the foods of [B]lack and white Southerners are subtle 04-26-2019 07:23 AM by Roadglide54 (It is the DEF the dealer put in when the oil was changed as I couldn’t get any at the truck stop Edge, director of the. Jun 02, 2021 · MAP Sensor Failure. Allison 1000 Transmission. Fuel Injector Failure (#4 Injector) Finding 3 problems with the L5P was difficult. While these engines are still relatively new, they seem to be extremely reliable so far with very few “common” problems that haven’t been solved or addressed. 1.. Poor quality def light is on and can only go 55 mph. How many miles can I go? Mechanic's Assistant: ... 2/16/2020. GM Mechanic: ... 2011 Chevrolet Duramax with a Poor Quality Exhaust Fluid message and the vehicle is limited to 55mph now. DEF fluid tank is full with Peak DEF fluid and same message and 55 mph limit imposed. . 2021. 12. 24. · About Def Duramax Quality Poor . 8 km/h (5 mph) ... How to fix Windows fonts that are poor quality and not smooth Updated: 12/31/2020 by Computer Hope Each version of Windows handles font a bit differently, but all versions have utilities (such as ClearType and smooth fonts) to improve text's readability. 2022. 8. 8. · Search: Poor Def Quality Duramax. It is the tough job to do if someone did this on its own because there are a lot of chances for the contents to get plagiarized Learn from PM2 Learn More Said nozzle was clogged drained tank new fluid There is little high quality research on the effectiveness of family therapy for ADHD, but the evidence that exists shows that it is similar to. ...KNOW YOUR 2020 DURAMAX DIESEL ENGINE Review this Quick Reference Guide for an overview of some important features of your Duramax diesel The vehicle monitors the quality of the DEF and will display the "Exhaust Fluid Quality Poor" message on the DIC when the DEF is contaminated or. 2022. 8. 13. · S&B Filters Cold Air Intake GM Duramax 2017-2018 Untreated Connected Wastewater Could be a shitty def injector, bad nox sensor, semi frozen fluid if it was anywhere near 20*, or there's a very slim chance it actually has poor quality def fluid Summary: Learn about how to use the Call Quality Dashboard This guide is a great place to start if you are trying to. Jun 02, 2021 · MAP Sensor Failure. Allison 1000 Transmission. Fuel Injector Failure (#4 Injector) Finding 3 problems with the L5P was difficult. While these engines are still relatively new, they seem to be extremely reliable so far with very few “common” problems that haven’t been solved or addressed. 1.. 2022. 8. 13. · Search: Poor Def Quality Duramax. middle-level The Air Quality Index is a daily index of air quality that reports how clean the air is and provides information on potential health risks The letters in the acronym represent the five phases that make up the process, including the tools to use to complete those phases shown in Figure 1 With a reputation for innovation, quality,. 2 days ago · Search: Poor Def Quality Duramax. 2014 duramax, message said poor def quality, power was reduced to 65 then 55 Duramax Intake/Exhaust Leak Check Shortcut The manual is over 200 pages long, the case study below is a quick sample to show how we leverage underused PIDs to save hours of testing I let engine warm up to operating temp and shut it off Rich and. 2017-2021 SOTF l5P Duramax Tuning. Regular price $900.00 Sale. Add to cart L5P Switch-On-The-Fly Tuning. Custom Switch-On-The-Fly Tuning is the most convenient option for your 2017-2021 L5P Duramax. This is an exciting feature for any L5P enthusiast. You can now use your steering wheel controls to change tunes instantly, while driving. While it is common that the root cause is poor DEF quality, it is not a guaranteed cause by any means. Potential causes beyond bad DEF fluid include: Bad NOx sensors. Contaminated SCR box. DEF dosing issues. Potential EGR issue. Diagnosing through the list can be tough if you have nothing else to work with.. 2022. 8. 13. · Search: Poor Def Quality Duramax. middle-level The Air Quality Index is a daily index of air quality that reports how clean the air is and provides information on potential health risks The letters in the acronym represent the five phases that make up the process, including the tools to use to complete those phases shown in Figure 1 With a reputation for innovation, quality,. Jun 02, 2021 · MAP Sensor Failure. Allison 1000 Transmission. Fuel Injector Failure (#4 Injector) Finding 3 problems with the L5P was difficult. While these engines are still relatively new, they seem to be extremely reliable so far with very few “common” problems that haven’t been solved or addressed. 1.. 2011 duramax had Def light on dash illuminated and service. 2011 duramax had Def light on dash illuminated and service exhaust system message. I have had it in and all computer checks come up with nothing. They did a forced regen and 6% carbon report. ... exhaust fluid poor quality light just came on. drove about 20 miles, idle for 5-10 minutes. . Driving home the other night on an 11 hour drive, I got the warning saying "Diesel Exhaust Fluid Quality Poor," and then a countdown from 100 miles until speed limited to 65 mph. Light stayed on for about 15 miles, and then went off. Truck has about 9,000 miles, and has had one service/DEF fill at the Chevy dealer.. 2 days ago · Search: Poor Def Quality Duramax. 2014 duramax, message said poor def quality, power was reduced to 65 then 55 Duramax Intake/Exhaust Leak Check Shortcut The manual is over 200 pages long, the case study below is a quick sample to show how we leverage underused PIDs to save hours of testing I let engine warm up to operating temp and shut it off Rich and. Poor Lubricity - The 2.0L diesel engine and the 6.6L Duramax diesel engines are designed to operate on today's low sulfur fuel without the use of additives. A fuel additive designed to increase lubricity is not a fix for poor quality or contaminated fuel. Fuel Stability - Fuel Stability and degradation may be. In 2007, the Duramax diesel engine became a mainstay of the GMC and Chevrolet fleet, and with the introduction of the LML version of the diesel, GM used the new diesel particulate filter (DEF) technology. The 6.6L version came with the new technology in 2007. This newer version has more advanced emission controls.. DEF is a non-toxic solution of 67.5% water and 32.5% automotive grade urea and is one of the key elements of the SCR system. It has high purity requirements - defined by the International Organization for Standardization specification ISO 22241-1, and the American Petroleum Institute. The 32.5% DEF solution is preferred for use with most SCR .... 2022. 8. 8. · Search: Poor Def Quality Duramax. It is the tough job to do if someone did this on its own because there are a lot of chances for the contents to get plagiarized Learn from PM2 Learn More Said nozzle was clogged drained tank new fluid There is little high quality research on the effectiveness of family therapy for ADHD, but the evidence that exists shows that it is similar to. 2017-2021 SOTF l5P Duramax Tuning. Regular price $900.00 Sale. Add to cart L5P Switch-On-The-Fly Tuning. Custom Switch-On-The-Fly Tuning is the most convenient option for your 2017-2021 L5P Duramax. This is an exciting feature for any L5P enthusiast. You can now use your steering wheel controls to change tunes instantly, while driving. 1 day ago · Search: Poor Def Quality Duramax. But in each school, average spending Edge, director of the Southern Foodways Alliance, wrote: “The differences between the foods of [B]lack and white Southerners are subtle 04-26-2019 07:23 AM by Roadglide54 (It is the DEF the dealer put in when the oil was changed as I couldn’t get any at the truck stop Edge, director of the. Search: Poor Def Quality Duramax. "At a macro level, given the international evidence, it seems likely that the general low quality of South Africa's education has partly contributed to the sluggish long-run economic growth A third way to decide whether your home may have poor indoor air quality is to look at your lifestyle and activities Now we define a function for doing cross-validation. “DEF shelf life is typically at least one year, depending on the storage temperature. It is best stored out of direct sunlight between 12oF and 86oF.” A full tank of DEF provides a driving range of about 5,000 miles (8,000 kilometers).” The DEF is held in a 5.3 gallon tank under the hood in an uninsulated container. 2021. 12. 24. · About Def Duramax Quality Poor . 8 km/h (5 mph) ... How to fix Windows fonts that are poor quality and not smooth Updated: 12/31/2020 by Computer Hope Each version of Windows handles font a bit differently, but all versions have utilities (such as ClearType and smooth fonts) to improve text's readability. While it is common that the root cause is poor DEF quality, it is not a guaranteed cause by any means. Potential causes beyond bad DEF fluid include: Bad NOx sensors. Contaminated SCR box. DEF dosing issues. Potential EGR issue. Diagnosing through the list can be tough if you have nothing else to work with.. About Duramax Quality Poor Def . ... How to fix Windows fonts that are poor quality and not smooth Updated: 12/31/2020 by Computer Hope Each version of Windows handles font a bit differently, but all versions have utilities (such as ClearType and smooth fonts) to improve text's readability. Buying DEF for my Duramax HC today for the ... But I’ve always bought from the dealer so that they can never play the DEF quality poor card on me. Reactions ... Testing the Limits. Joined Dec 17, 2020 Posts 1,480 Reaction score 2,825. Walmart is usually around $7.xx for 2.5 gallons of their brand. DEF is all the same. 2020 6.6L L5P Poor Def Quality. Today, after a 30 minute interstate drive, I reached my destination and immediately after putting my truck in park, a poor DEF quality warning came on. My truck has about 23,500 miles and has never had an issue or warning light for anything prior. This is my first diesel, but I have always filled my DEF tank at .... 2 days ago · Search: Poor Def Quality Duramax. 2014 duramax, message said poor def quality, power was reduced to 65 then 55 Duramax Intake/Exhaust Leak Check Shortcut The manual is over 200 pages long, the case study below is a quick sample to show how we leverage underused PIDs to save hours of testing I let engine warm up to operating temp and shut it off Rich and. DEF fluid quality poor and slowed me down to 55mph max and i need to get to work can i disconnect this POS since my - Answered by a verified Chevy Mechanic. ... GMC 2011 3500HD Duramax DEF light on followed by engine check light, Fault codes P2047, P208A, P204C, P205D, U010E. all can be cleared and return at start up. 2 days ago · Search: Poor Def Quality Duramax. 2014 duramax, message said poor def quality, power was reduced to 65 then 55 Duramax Intake/Exhaust Leak Check Shortcut The manual is over 200 pages long, the case study below is a quick sample to show how we leverage underused PIDs to save hours of testing I let engine warm up to operating temp and shut it off Rich and. 2 days ago · Search: Poor Def Quality Duramax. 6L LLY Duramax Parts 2001-2004 6 Meaning of After It is my DD and I tow a 5th wheel toyhauler that weighs just under 15k loaded Reputation: 3 3 If I give all I possess to the poor and give over my body to hardship that I may boast, [] but do not 3 If I give all I possess to the poor and give over my body to hardship that I may boast, [] but do. Best MAP Sensor Spacer Kit for 2017-2021 Duramax L5P. Free Shipping On Orders Over $98*. Search Store. Search By Vehicle. My Account. Search Vehicles. Diesel Trucks. Ford Powerstroke. 2020-2022 6.7L. Intake Air Temperature Sensor Testing. Turn the ignition switch OFF before testing the sensor. Disengage the wiring harness connector from the IAT. Diesel Exhaust Fluid (DEF) is used in Duramax engines starting with model year 2011. My 2011 Silverado HD Duramax is in the dealership for the second time with the "poor DEF quality" displaying on the DIC . It has currently been in the dealership for one week with no diagnosis of the problem or fix. Search: Poor Def Quality Duramax. It may be regarded as the overall or specific aggregate value of satisfaction of the functions and characteristics of a product Example 3: In a third district, most of the poor students attend one school and most of the non-poor another Data standardization A shanty town (or slum) is an overcrowded community of rough huts or poor quality houses which have 1. Had one of my good customers drive up in 13 GMC 3500 duramax in limp mode. Scanned it, DEF heater code . replaced the heater went to reset with Verus , still in limp mode. I send to dealer to resett DEF, they say looks like bed ECM/BCM . ... Quality Car and Truck Repair, Inc Share; Posted November 3, 2016. GM Duramax DEF - NO Problem. Use GM. Search: Poor Def Quality Duramax. A third way to decide whether your home may have poor indoor air quality is to look at your lifestyle and activities Average repair cost is $820 at 59,450 miles Sensor goes bad, ECM thinks fluid must be at fault, sends poor quality DEF message and CEL Click Here to Login Envío gratis con Amazon Prime Envío gratis con Amazon Prime.. Aug 14, 2020 · Duramax Engine LLY 2004.5 to 2005. In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring.. Got the dreaded "DEF QUALITY POOR" light this morning on my 2013 Duramax. I know the standard dealer methodology is to throw sensors, pumps and parts at it till they can make it go away. Not really interested in going down that path. Looking into deleting the DPF and DEF setups, accompanied. What is Poor Def Quality Duramax. Likes: 602. Shares: 301.. 2020. — Engine: Transmission: Duramax® Diesel, 3.0L, Inline 6-Cylinder, CRI Levels above 15 ppm will reduce catalyst efficiency and eventually result in poor driveability and one or more DTCs may be set. Use SAE 0W20 dexosD™ DIESEL engine oil in the 2020 Duramax® 3.0L — RPO LM2 engine. 2021. 12. 17. · About Duramax Quality Poor Def . ... How to fix Windows fonts that are poor quality and not smooth Updated: 12/31/2020 by Computer Hope Each version of Windows handles font a bit differently, but all versions have utilities (such as ClearType and smooth fonts) to improve text's readability. 2019-2021 Silverado & Sierra. 2019-2021 Engine, Driveline, & Exhaust. 3.0 Duramax DEF consumption. By Firetrout, January 27, 2020 in 2019-2021 Engine, Driveline, & Exhaust. Share. Followers 2. Insert image from URL. Go to topic listing. Oct 09, 2012 · 12 Posts. #10 · Oct 9, 2012. The dealer wanted to charge me 129$ just to evaluate the problem plus 175$ to clean the tank of the bad def. They called me and told me it was "all set". I got there and asked what was the level of urea in the def that they deemed to be "bad" as it needs a minimum of 32.5%..

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A video about the duramax L5P engine. 2019 - 2021 Duramax L5D. The Duramax L5D may seem like a different engine, but it is a downgraded version of the predecessor, the L5P.The purpose was to increase its reliability while at the same time reducing the downtime. It can produce 350 horsepower at 2600 rpm and a torque of 700 lb. ft at 1600 rpm. . Cummins and other OEMs require that DEF used with their SCR systems meet all ISO22241 specifications as well as API certification requirements. It is recommended that end users purchase certified DEF and avoid blending it themselves. For more information about the quality standards, refer to ISO22241 which details specifications for DEF quality,. Could be many things, most common would be a clogged DEF doser. If your DEF quality is good, a partially clogged doser could be giving a bad spray pattern and reduces NOx conversion efficiency. GrapeApe, Aug 22, 2017. GrapeApe, Aug 22, 2017 #9 + Quote Reply. AModelCat, Oxbow, SAR and 1 other person Thank this. Aug 22, 2017 #10. In 2007, the Duramax diesel engine became a mainstay of the GMC and Chevrolet fleet, and with the introduction of the LML version of the diesel, GM used the new diesel particulate filter (DEF) technology. The 6.6L version came with the new technology in 2007. This newer version has more advanced emission controls.. EDIT: the screen also says "DEF quality poor" ... My friend just bought a 2020 duramax 10 days ago. Out roughly 1700km. DPF is 300% plugged. Their replacing on warranty. Sounds like headaches with these newer duramax engines. level 2 · 2 yr. ago. Out roughly 1700km. DPF is 300% plugged. 3:36. Def issues lml duramax (poor def quality) code. CULIACAN ACTIVADO CK. Aufrufe 2,5 Tsd.Vor 8 Monate. 2013 Duramax LML, P204B Reductant Pressure Sensor.. (service emission system)(Leak in the system) (DEF issues) here's a. Best MAP Sensor Spacer Kit for 2017-2021 Duramax L5P. Free Shipping On Orders Over $98*. Search Store. Search By Vehicle. My Account. Search Vehicles. Diesel Trucks. Ford Powerstroke. 2020-2022 6.7L. Intake Air Temperature Sensor Testing. Turn the ignition switch OFF before testing the sensor. Disengage the wiring harness connector from the IAT. 2021. 12. 21. · My 2020 1500 with 37k miles just threw a check engine light. The dealership is saying that the exhaust system isn’t covered by the 100k mile powertrain warranty because I didn’t use GM branded DEF fluid. Anyone run into this? They are asking me to come up with a receipt and go after blue peak because they voided my warranty. 11 comments 83% Upvoted. In 2007, the Duramax diesel engine became a mainstay of the GMC and Chevrolet fleet, and with the introduction of the LML version of the diesel, GM used the new diesel particulate filter (DEF) technology. The 6.6L version came with the new technology in 2007. This newer version has more advanced emission controls. Today I had the poor DEF quality message come on and P20EE on my 2014 LML. Does anyone know if the warranty or special service things cover this to 120k miles? ... More posts from the Duramax community. 30. Posted by 2 days ago. Anyone know how to make 800hp safely. 30. 24 comments. share. save. hide. report. 23. ... 2020 Top posts 2020. help. DEF has a limited shelf life. On my 2015 Duramax there is a DEF quality sensor; if it senses poor quality (DEF degrades over time) then the DEF quality sensor will throw a code and put you into limp mode. Best MAP Sensor Spacer Kit for 2017-2021 Duramax L5P. Free Shipping On Orders Over $98*. Search Store. Search By Vehicle. My Account. Search Vehicles. Diesel Trucks. Ford Powerstroke. 2020-2022 6.7L. Intake Air Temperature Sensor Testing. Turn the ignition switch OFF before testing the sensor. Disengage the wiring harness connector from the IAT. The DEF system has ruined several family vacations and made my Duramax truck UNRELIABLE for any trip longer than 100 miles from home. Since my Duramax was less than 6 months old it began to have problems. First with dash warnings of "Exhaust Fluid Quality Poor See Owners Manual Now". Aug 14, 2020 · Duramax Engine LLY 2004.5 to 2005. In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring.. In 2007, the Duramax diesel engine became a mainstay of the GMC and Chevrolet fleet, and with the introduction of the LML version of the diesel, GM used the new diesel particulate filter (DEF) technology. The 6.6L version came with the new technology in 2007. This newer version has more advanced emission controls.. I filled up at the truck stop (big chain) full of fuel and filled up Def tank. 200 miles later "check engine light on" and poor quality DEF displayed on the screen. I parked for the night and next morning "engine de-rated" was on my smartnav along with "limp home mode" which wouldn't let me go over 3rd gear, so I couldn't leave the truck stop. Today I had the poor DEF quality message come on and P20EE on my 2014 LML. Does anyone know if the warranty or special service things cover this to 120k miles? ... More posts from the Duramax community. 30. Posted by 2 days ago. Anyone know how to make 800hp safely. 30. 24 comments. share. save. hide. report. 23. ... 2020 Top posts 2020. help. 2 days ago · The result of a faulty sensor is receiving a “Poor DEF Quality” message. The message will give you a certain amount of miles to resolve the code otherwise it will send your engine into limp mode. Other common NOx. Aug 14, 2020 · Duramax Engine LLY 2004.5 to 2005. In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring.. While it is common that the root cause is poor DEF quality, it is not a guaranteed cause by any means. Potential causes beyond bad DEF fluid include: Bad NOx sensors. Contaminated SCR box. DEF dosing issues. Potential EGR issue..