WHAT WOULD CAUSE THE ENGINE AFTER IT GETS WARM ...

2003 Ford F-250

Tiny

Anonymous

January, 11, 2013 AT 9:00 PM

What would cause the engine after it gets warm to throttle up and down and try to stall out?

FOUND 25379 RELATED QUESTIONS

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1 Answer

Tiny

Wrenchtech

January, 11, 2013 AT 9:21 PM

First eliminate all vacuum or air leaks in the system. You may have a bad IAC ( idle air control) but try cleaning the throttle body first. Remove the intake snorkel, have someone hold the throttle wide open for you and scrub the back side of the throttle plate and surrounding bore with an old tooth brush and some carb cleaner. Be sure to spray some into the small holes next to the throttle plate. That should help stabilize the idle. If it still has a problem, replace the IAC.

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