Engine Dropping Past Idle

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Dec 18, 2010 | 11:46 AM

regency1

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Junior Member

Joined: Jul 2010

Posts: 1

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From: Currently in Oceanside CA

Engine Dropping Past Idle

Got a 02 F150 with a 4.6L, been running great but now if its in a Park or Neutral and rev the engine it doesnt catch its self and drops below idle. Anyone have any input??

Dec 18, 2010 | 07:03 PM

glc

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Joined: Dec 2006

Posts: 43,530

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From: Joplin MO

Clean the IAC (idle air control) valve. While you are at it, you might as well clean the throttle body too.

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