Chevy and GMC Duramax Diesel Forum banner
  • Hey Everyone! Enter your ride HERE to be a part of this months Ride of the Month Challenge!

Discussions Showcase Albums Media Media Comments Tags Marketplace

1-14 of 14 Results
  1. Duramaxforum.com News
    I have a Chevy Silverado 2011 2500, I got a bad DEF fluid code 2 weeks ago, they said it needed a flush but had a hard time resetting it, $900.00 This week I got a P20B9 code, bad heater. Peplaced the part but got another code, couldn't reset again. Now they say it's one of the Nox sensors...
  2. 2020+ GM T1 Platform Powertrain
    I have a new 2021 AT4 Duramax. I filled the DEF fluid for the first time (it has about 2300 miles on it) When I started it to leave the station, the check engine light was on. I drove it home (6 miles) and it didn't go off. Could this be related to filling the DEF tank. I guess it's possible...
  3. General Discussion
    Hey guys and girls, Looking at purchasing a 2012 Duramax with 150k miles. It had an EGR delete, and DEF delete. 5" exhaust. Leveling kit. The guy selling is about 6 hours away. Getting it for $26,500. Anything I should be concerned about, things I need to look at? Never bought a diesel, so I...
  4. General Discussion
    What’s up everyone I’m new to the forum and I just started working on my 02 lb7. I installed a s and cold air intake and a edge evolution cts3 tuner this week. I was driving around testing my boost horse power and torque and got readings like 2-3 boost when driving around with 50 horse and 95...
  5. 911 Problems Forum
    So I am having issues with my compressor. I have narrowed it down to what I believe is the A/C refrigerant pressure switch. I have replaced however my compressor runs at 3-4 minute intervals. I have verified 12 volts to the clutch at all times. What else would make the compressor shut down?
  6. 01-04.5 LB7 Duramax Powertrain
    Hey I know this is a long shot but I have a problem with my lb7 that I can't figure out the problem to I've researched alot and can't seem to find the problem so instead of taking my truck to the dealer I thought I'd reach out to you.... I haven't driven the truck in a while but I went to start...
  7. General Discussion
    Hey everyone, 05 LLY 479xxx.. just bought the truck tuned with a banks six gun tuner. I was running tune 5 on the tuner and was driving down the road without issue, all of a sudden “service brake system, service 4wd and service abs” lights all came on and the truck turned off like someone...
  8. 2017 - '19 (Non Powertrain)
    Hello everyone. Was wondering if anyone could help me out with this question regarding out of state trucks into California. So i am in the process of purchasing a 2019 2500 LT 6.6liter Duramax turbo diesel from a dealership here in California. I had the truck shipped from the state of Texas. The...
  9. General Discussion
    Hey y'all! Got a question on the lml fuel system So I replaced the engine in a 2015 lml with a 100k mile engine. It cranks but wont start and while cranking rail pressure only shows 260-300 ... I can start it with starting fluid (I know I'm not supposed to) but it'll run on fuel if I keep it at...
  10. 911 Problems Forum
    I done a egr delete recently and noticed my truck throwing a p0090 dtc. After checking my wiring harness i seen that i broke the plug in on my fpr after replacing the fpr the code went away for a couple of hours but then i got codes p0088 and p0090. Could the new fpr be fault or could it be...
  11. General Discussion
    Hi all! newbie here 👋 I’m about to purchase a 2015 3500 DRW with 59k mikes on it , has the 6.6 Diesel engine. Is there anything specific I should be wary of? Any help/suggestions will be highly appreciated!
  12. Gauges, Electronics and Wiring.
    Hey guys I'm new to the Forum. I also looked through multiple post on here none have the same issue. So my buddy has a 2006 Chevy Silverado 2500 HD Duramax when me and him were driving to work one day he noticed that the dash and the lights are dimming and coming back and then noticed that his...
  13. Suspension&Steering
    Hey, new to this, so bear with me. I have a 2008 lmm with a BDS lift. The guy I got it from said I was a 6”, but after looking at it online, I believe it’s a 7”. And I’m now tired of not being able to use my truck and I’m wanting to drop it down to a 2.5”- 3” leveling kit. Can someone give me a...
  14. Aftermarket Mods.
    I have a 2011 Chevy 6.6. In search of the best exhaust system to get but don’t want to deal with programming. Just looking for sound and if it betters the performance great if not then oh well. Thanks.
1-14 of 14 Results
Top