ENGINE IDLING SO FAST BRAKES CAN BARELY HOLD ...

1997 Chevrolet Astro

Tiny

Anonymous

December, 26, 2012 AT 9:05 PM

Engine idling so fast, brakes can barely hold back. Replaced throttle positioning sensor. Ran ok bout 24 hrs. Now same problem but idling even faster. Replaced idle control valve still super fast. Control valve rubber end not moving in or out, just kinda vibrates. What next? Help.

FOUND 1053 RELATED QUESTIONS

1 Answer

Tiny

saturntech9

December, 26, 2012 AT 9:27 PM

Have you looked for vacuum leaks yet?Also any codes in the computer?

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