1994 Chevy S-10 high idle

1994 CHEVROLET S-10
91,000 MILES • 6 CYL • 2WD • AUTOMATIC
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RAYMOND SYMONS
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  • 2 POSTS
No vacum leaks but the idle stays high i have knocked out the plug and tryed to lower set screw for idle but stills idle high
Feb 4, 2008 at 8:58 PM
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RASMATAZ
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  • 75,992 POSTS
Could be a sticking throttle plate or the throttle position sensor out of range and idle air control valve
Feb 5, 2008 at 2:21 AM