High idle

Asked by Rogerg84 Mar 02, 2018 at 09:34 PM about the 1993 Ford E-Series E-150 XL Econoline

Question type: General

Can anyone tell me why i am still having a high idle
after i have replaced the idle air controll valve,tps
,egr valve most of the air lines plugs wires cap
button and cleaned the egr valve

1 Answer
157,435

Bob answered 6 years ago

Clean the throttle body and look for a vacuum leak. A vacuum leak downstream of the mass air flow sensor can cause high idle.

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