I keep coming back to the icm. I know they do weird things when they fail and I know they can pass the autozone tests and still be faulty. My question is, how hot should an icm get under normal operation. The reason I ask is the module passed several tests at autozons, but it was so hot it...

That's what I'm afraid of. They are scarce around here in junk yards. Hopefully it's just the ecm and no underlying issues.

Checking the codes with test light just as that link describes, the light stays on. It doesn't flash a single time. Something is definitely not right. Even with the key off the light will still stay lit. I can unhook the ground from the small plug and the light still stays lit. Sounds like...

Would a tps go bad just because the truck sat parked for a few months? I've drained the fuel tank and cleaned everything so I know it's getting good clean gas.

I attempted to retrieve the codes using a test light. Turned the key to the on position and the test light lit and stayed lit. Never flashed a single time. Would a tps really cause that big of an issue?

I have a 90 f250 5.8 auto that will try to run but dies. It won't idle at all and to keep it running I have to pat the pedal constantly. When I try to rev the engine it dies. I've got spark, air, and fuel. Good fuel pressure. Can't find any vacuum leaks. Check engine light doesn't come on at...

I have a 90 f250 5.8 auto that will try to run but dies. It won't idle at all and to keep it running I have to pat the pedal constantly. When I try to rev the engine it dies. I've got spark, air, and fuel. Fuel pressure is good. Can't find any vacuum leaks. Check engine light doesn't come on at...