HOW DO YOU ADJUST FAST IDLE ON MOTOR? IT HAS STARTED TO GO UP TO ALMOST 2800 RPM. VERY FAST

1988 Mazda 929

Tiny

Mike Haley1

January, 24, 2012 AT 1:58 AM

My car has started to fast idle when cold/first started from 1200 rpm to almost 2800 rpm. How do I resolve?

1 Answer

Tiny

ASEMaster6371

January, 24, 2012 AT 3:56 AM

Sounds like you have a vacuum leak. A smoke test would confirm. Make sure the throttle body is not sticking. Make sure the idle air control motor is functioning as well.

Roy

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