Does brand of DEF fluid matter?
“You can switch brands of DEF at any time. Mixing different brands of DEF in the DEF tank will not harm the SCR system as long as both brands follow the standards, particularly ISO 22241.”
Is there a service exhaust system warning in 2016 GMC 2500?
Hey Everyone! Enter your ride HERE to be a part of this months Ride of the Month Challenge! 2016 GMC 2500-had in service garage 3 different times to check error message”Service Exhaust System”. DEF fluid is full and no warning for low levels.
Why do I need fresh diesel exhaust fluid?
A supply of clean, fresh Diesel Exhaust Fluid ( DEF) is critical for optimum Selective Catalyst Reduction  (SCR) efficiency. SCR efficiency is determined by monitoring the Nitrogen Oxide (NOx) sensors located upstream and downstream of the SCR.
How much does an exhaust muffler improve fuel economy?
Obviously, boosting fuel economy by 2 mpg is going to help pay off a new exhaust system pretty quickly. Bottom Line: Adding an after-market performance muffler or exhaust system will improve engine efficiency from 2-10%.
What should I expect from service exhaust system?
Returned from 5th visit to dealer for “Service Exhaust system”. Did replace the DEF injector and last visit 2 nox sensors but tech couldn’t get codes cleared even with GM support. Kept at dealer for 3 days and finally codes cleared on their own and dealer said take home for now. Not sure what to expect.
Hey Everyone! Enter your ride HERE to be a part of this months Ride of the Month Challenge! 2016 GMC 2500-had in service garage 3 different times to check error message”Service Exhaust System”. DEF fluid is full and no warning for low levels.
Where can I get diesel exhaust fluid for my Duramax?
You can get it at most auto part stores, Walmart, truck stops…. At that point, it should take almost five gallons. Just fill it up and hope it resets on its own. You can get it at most auto part stores, Walmart, truck stops…. Click to expand… Thanks! You can also get it at truck stops in bulk for less than $3 a gallon.
What kind of Def fluid does a 2016 Duramax use?
Have a 2016 Duramax put DEF fluid in its still not resetting… Have a 2016 Duramax… Have a 2016 Duramax put DEF fluid in its still not resetting down to almost 55 miles an hour Mechanic’s Assistant: Just to clarify, which fluid are you talking about? And what color and consistency is it? Mechanic’s Assistant: What is the model of your ’16 GMC?
What does low DEF Diesel Exhaust Fluid mean?
So Friday I had the “Diesel Exhaust Fluid Quality Poor Message” pop up on the dash with a 100 mile warning. I restarted the truck with no warning. I drove about 25 miles and the “Low DEF” message came on.