My 1988 chevy 1ton starts normally but if I leave it running, 10 min later it goes to high idle. It takes around 2 days before it goes back to normal. Is this something in the computer?

My 1988 chevy 1ton starts normally but if I leave it running, 10 min later it goes to high idle. It takes around 2 days before it goes back to normal. Is this something in the computer? 1 Answer

How to fix it 2 Answers

I have a 89 Chevy K 3500 pickup and it was running and just went completely dead the lights or nothing will say anything at all, what is the problem?

My 7.4L has a 4 speed auto trans, it drops down from 4th to 3rd. 1 Answer

It will drop down to 3rd after about 10-15 minutes running down the freeway, from any speed. It will not upshift back to 4th. If you pull over & turn off engine for a few minutes, it will shift normal...

what would cause the exzaust manifolds to glow bright red its got a 454 in it with throttle body fuel injection 1 Answer

the truck does not have converters on it and it has a y pipe with single outlet also dont know if it matters but the truck is an ex emergency vechile

Why sould the fuel cut off after 10 to 20 seconds at idle 5 Answers

1988 Chevy 454 Dually. TBI . New distributor. new Delphi fuel pump (11.5 psi) Fresh gas. Eliminated the air pump. Engine would keep running if I feathered the throttle when I had only 6 psi on o...