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When I crank it, ideal is high and stays that way. How to fix the problem ! on 1990 Toyota 4Runner

Somebody please help! how do i ideal my truck down?

Asked by for the 1990 Toyota 4Runner
4 or 6 cylinder engine???? While we are at it, manual or auto transmision???? "I" would just like to know!
3 more answers
4 or 6 cylinder engine???? While we are at it, manual or auto transmision???? "I" would just like to know!
scan codes and or have a smoke test done to determine source of leak
It must be sucking air somewere under intake manifold or intake area