Duramax Diesel Exhaust Fluid Problems

Exhaust Fluid Quality Poor. See Owners Manual Now.

Acdelco Techconnect Diesel Exhaust Fluid Basics Blog

Improper handling of DEF.

Duramax diesel exhaust fluid problems. In This video I go through all the steps to troubleshoot Poor Quality DEF Warning. The edge CTS didnt show any codes so I figured I needed the GDSII. Engines using Selective Catalytic Reduction SCR to reduce NOx in the exhaust system.

Every day the Volvo Construction Equipment technical support team gets calls from customers covering any number of topics. Recommended DEF by Duramax manufacture for Diesel Engine Trucks. 25 Gal - 55 Gal - 275Gal - 330 Gal.

Inadvertently putting DEF into the diesel tank. With the 30L LM2 Duramax diesel maintenance schedule below you will know when different maintenance tasks need to be completed. The driver will hear 4 chimes on entering Warning Level 2.

One thing I have noticed is that the DEF level goes down much more rapidly when towing I almost ran out the first time it came on because the. If a truck is running low-quality DEF there are a number of issues that may occur some of which could even void a vehicles warranty. A common engine-related call involves diesel exhaust fluid DEF.

I couldnt find any useful info on what would cause this so I figured I would put it out there after fixing it. You cant always be trouble free but when someone steps up like that it is the next best thing. Jul 11 2013.

Three issues we see over and over are. Everything you need is right below in our 30L LM2 Duramax diesel maintenance schedule. Both 30L and 66L Diesel Duramax engines could have an error related to the emission andor exhaust fluid systems.

We have a 2015 Chevy 3500 duramax. We are getting code p249d and exhausted fluid quality poor. I had to re-install my factory exhaust and after doing so the system started a countdown from 99 miles to reduced to 65mph.

But low-quality DEF can still cause problems. Theyre very powerful and capable but theyre also very vulnerable to poor fuel quality. We added more def and diesel.

Luckily this can be addressed by following the proper L5P Duramax Maintenance schedule. If youre going to be maintaining your 30L Duramax by yourself take a look at our fluid capacities and specifications guide. New TSB Issued For Duramax 30L LM2 and 66L LP5 Diesel P206B Emission Exhaust Fluid Errors General Motors is addressing an issue that may cause check engine lights on 20202021 Diesel Silverado and Sierra pickups.

Guide for Duramax Diesel Engines Diesel Exhaust Fluid DEF. Best DEF Fluid in 2019. This is especially important on modern diesels like the newest 66L Duramax.

However it is slightly alkaline which means its corrosive to metals. Warning Level 2 is triggered after the first mileage countdown expires without a DEF fluid service. I have a 2011 duramax with under 10k miles that has been in the shop almost continuosly for the last 4 weeks due to the exhaust fluid issue and i dont know what to doMy dealer says they have finally replaced the entire exhaust fluid tank and sensors but cant recalibrate the truck.

They say they are in touch with the regional technician which i assume means the GMC representative for this. Jan 13 2020. The DIC displays the following messages.

DEF is naturally occurring and biodegradable. The Duramax diesel engine exhaust after-treatment system reduces oxides of nitrogen NOx using a Selective Catalyst Reduction SCR system a DEF injection system and two NOx sensors and smart module assemblies.

The Blue Stuff The Ins And Outs Of Diesel Exhaust Fluid