Replaced plugs, wires, cap, and rotor about 10k miles ago. Engine runs like a champ. Tons of power and no misfires, even at high RPM, which makes me doubt that the ignition system is arcing or...
Type: Posts; User: CCIE
Replaced plugs, wires, cap, and rotor about 10k miles ago. Engine runs like a champ. Tons of power and no misfires, even at high RPM, which makes me doubt that the ignition system is arcing or...
VCM scanner has a CASE Learn button that I was using. It has instructions that walk you through the process, but it does ask that you slowly raise RPM until fuel cutoff and then release accelerator. ...
I don’t know about the old PCM. It got wet and stopped reading the MAF (wet PCMs are a common issue in these vans). Truck runs great and shows correct speed with new PCM during normal driving.
I...
Thanks, I'll take a look.
The other thing I was thinking is that the alternator/regulator may be flaky and sending out a voltage spike as RPM increases. Might try running it with the alternator...
New poster here, thanks in advance for the help!
The computer in my dad's 1998 5.7L Express Van flaked out (wouldn't read MAF). We changed it with a new one that is correctly coded for his VIN,...