Mar 25, 2023 · 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 …

Feb 16, 2025 · Hi there, This is my problem. My GMC truck came with two OEM key fobs. A couple weeks ago, the blade of one of them broke (came off the folding part). The OEM key …

Jul 18, 2010 · FOR SALE - Chautauqua, NY - iv got a 1973 harley davidson tx125 indueo that i would like to sell has no reg. would be good for parts or use as enduro bike n ...

Apr 1, 2012 · 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 …

Oct 29, 2016 · 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 …

Oct 12, 2022 · What cam did you get for the AFM/DOD delete? P219A/B is Fuel trim imbalance, and P0300 is Random miss. I’d say bad Tune on the truck. But my 08 Z71 LTZ crew cab was …

Apr 4, 2013 · Yes, but everytime you use a handheld programmer, you are FLASHING the ECM/PCM therefore this can be detected by GM Also the main purpose of turning off AFM is …

Aug 19, 2010 · 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...

Aug 15, 2013 · Looking at installing a cam, stall, lifters, springs, and a DOD delete done and was wondering a reasonable install price?

Mar 23, 2012 · I poked around and didn't see this specifically asked anywhere. I have a brand new 2012 Silverado 1500 LTZ 5.3L .... I noticed my idling oil pressure drops to around 40 psi, …