We discovered that number 4 lifter on the AFM has collapsed. I have had the heads cleaned resurfaced and tested. No problems. I have ordered a AFM delete cam kit and a programmer. AFM is going away… ...
If your car has Active Fuel Management, you've probably already considered disabling it. But are AFM disablers even safe and do they actually save your engine?
The failure is so much worse than the lifters. There is a systemic failure at GM right now where they are ignoring these problems, and have been, since the AFM/DOD system first debuted in 2007. It is ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results