2001 FORD F150 4X4 SUPERCREW
ENGINE REVS REALLY HIGH WHILE AT IDLE AND SOMETIMES STALLS COMPLETELY OUT AND DIES. WILL CRANK RIGHT UP EVERY TIME WITH NO PROBLEM. ONLY DOES THIS AT IDLE. ONCE YOU START DRIVING IT IS NOT NOTICEABLE. I HAVE CHANGED THE FUEL FILTER.
SOURCE: ENGINE SURGES AT IDLE
with the engine running lift hood and lisen for a vacum leak and check all your vacum lines. if no vacum leak can be found then replace the idle air control valve.
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most times it starts right up with no problem
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