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- Do all newer sierras have AFM? - GMC Truck Forum
Looking into getting a 15 or newer GMC Sierra with a 5 3 I’ve heard that not all of them have AFM mode which is how I would prefer it Wondering if this is true or if they all have it Any recommendations on what to stay away from and what to look for would be appreciated Thanks!
- Chevys 5. 3l engine pron to failed lifters | GMC Truck Forum
Anyone contemplating a 2007 or newer Chevrolet with the 5 3l V8 needs to Google any forums relating to their AFM "active fuel management" system You will learn immediately of serious and very costly engine problems MANY stories on the web are typical of my own experience I purchased a new
- DOD delete and NOW PROBLEMS ! | GMC Truck Forum
Recently had my 07 Avalanche with 190K miles did the stuck lifter thing Decided to go ahead and put a reman engine with Gen III lifters, camshaft etc, so it's DOD deleted, along with ECM programming the DOD AFM delete by AMS racing The engine seems to run and sound perfectly- but one BIG
- 2008 Silverado 5. 3 engine swap - GMC Truck Forum
If you threw a rod you will have no choice but a new engine Just get another 5 3 and Dod delete it Sent from my SAMSUNG-SM-G935A using Tapatalk
- Lifter recall on 2007+ GM with active fuel management?
I heard from my brother who is on a lot of GM forums that there is a recall on the lifters on GM vehicles 07 and later with active fuel management It's stated that it's for the ticking noise when running right after being started Since day one my truck has done this and I have always thought
- Disable AFM without Tuning - GMC Truck Forum
Hey guys: I was asked by one of your members to come on here because there has been some chatter about wanting to turn off Active Fuel Management We have developed a product to do it I fully intend to become a sponsor here - but in the meantime, if you have any questions, please see the
- Di i have DOD or Displacement on Demand? - GMC Truck Forum
Does anyone know the RPO code for DOD or Displacement on Demand that i can check? Is there another way to check if my truck has this option? I own a 2010 GMC Sierra SL, 4x4, Crew Cab, Auto, Manual trasfer case
- Bully dog GT tuner question - GMC Truck Forum
I was told a few days ago that the GT tuner from Bully dog has a feature on there to disable the active fuel management and makes the truck run on all 8's rather than switching from 4 to 8 cylinders Is it within the tune you program or is it on another page on the programmer itself? I have not
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