Recent content by MikeTN

Be ready to put a lot of DEF in your truck! I towed a 6000 pound travel trailer and was having to fill up the DEF about every 2-3 tanks. I started carrying multiple 2.5 gallon containers of DEF with me. As far as power, it seemed to tow that weight just fine. With the trailer in tow the ride...

So after 23 days in the shop they finally got the part. The part is an EGR Differential Exhaust Pressure Sensor. Very likely @btmiah this is your problem. The symptoms that you are having is exactly what I was having. Tell your dealer to replace the EGR Differential Exhaust Pressure Sensor. I...

Thank you for your comments. Right now not huge confidence in the dealer service dept, I think that I may need to educate them some, although I certainly don't know all the answers. I will let everyone know what happens. Also, looking for a good deal on DEF in a 50 gallon barrel! :)

Hey guys, I thought I loved my 2020 GMC Sierra 1500 3.0L diesel, it has plenty of towing power but VERY thirsty on DEF when towing. I have 7000 miles on it and I bought it in late June 2020. I have been struggling with visits to the service department at the local GMC dealer. The check engine...

Hello everyone, bought my 3.0L duramax 4 months ago, 7000 miles later...mixed results, I will post in general discussion my experience