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I COME TO A STOP THE IDLE JUMPS TO 2000 RPM
1993 Chevrolet Van
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
Engine Won't Pass 200 Rpms
My Car Keeps Revving Up
September, 14, 2012 AT 2:27 AM
Check for vacuum leaks. Check the throttle body for carbon build up.
Check fuel pressure. Start there
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
September, 14, 2012 AT 12:39 PM
It may have a bad idle air control valve in the throttle body.
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
September, 14, 2012 AT 8:12 PM
On the old obd1 systems, yes
September, 14, 2012 AT 8:37 PM
Cool going to go get one and change it
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