i have a problem with idle i start it its fine at 800 to 1000 rpms then i take off and go from 1 to 2nd gear it gose to 1000 to 2500 with out me on the gas. then if i push the clutch in it shots up to 4000rpm can any opne help its a 93 2.3 when it goses to 4000 rpm when i press the clutch in the check engine light come on...

 

Clean the IAC valve.It's mounted on the throttle body.
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