I COME TO A STOP THE IDLE JUMPS TO 2000 RPM

1993 Chevrolet Van

Tiny

hardtime10

September, 14, 2012 AT 12:52 AM

I have a 1993 chevy g30 5.7 it starts and drive but when I come to a stop the idle jumps to 2000 rpm an when I press the gas to go the van shuts off will start back up if I floor it and it start and does the samething when I stop again

FOUND 4250 RELATED QUESTIONS

6 Answers

Tiny

ASEMaster6371

September, 14, 2012 AT 2:27 AM

Check for vacuum leaks. Check the throttle body for carbon build up.

Check fuel pressure. Start there

Roy

Tiny

hardtime10

September, 14, 2012 AT 12:07 PM

Changed fuel pump and fuel lines and vacuum lines, cap, rotor, wires plugs, coil, sprayed carb cleaner around vacuum line no change and inside tbi

Tiny

ASEMaster6371

September, 14, 2012 AT 12:39 PM

It may have a bad idle air control valve in the throttle body.

Roy

Tiny

hardtime10

September, 14, 2012 AT 7:40 PM

Question for you can that go bad the idle air control valve and the engine light don't come on

Tiny

ASEMaster6371

September, 14, 2012 AT 8:12 PM

On the old obd1 systems, yes

Roy

Tiny

hardtime10

September, 14, 2012 AT 8:37 PM

Cool going to go get one and change it

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