99 Ford Expedition 5.4l engine idle roughly sometime

Tiny
AKITANPAKOYIOYO
  • MEMBER
  • 1999 FORD EXPEDITION
  • 160,000 MILES
When engine is running sometime engine act likes want to cut off then after like few minutes engine will raises itself up and running normal. I have tried cleaning throttle body with cleaner, changed fuel filter, air filter with no luck. Somebody told me that it could be vacuum leak somewhere in engine but I coudn't find any so far plus sometime there is some hesitation when I press gas pedal.
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Monday, June 17th, 2013 AT 4:04 PM

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Tiny
CJ MEDEVAC
  • EXPERT
THIS MAY BE A POSSIBILITY.....SEE MY ANSWER IN THIS LINK

http://www.2carpros.com/questions/2005-ford-escape-every-day-crank-suv-high-idle-usually-after-30-minutes

CERTAINLY WON'T HURT ANYTHING TO CLEAN IT.....MAYBE $5-$7 FOR THE THROTTLE BODY CLEANER

I LOOKED AT "ADVANCE AUTO PARTS.COM", YOUR IAC LOOKS VERY MUCH LIKE THE "ESCAPE'S"

RETURN TO THIS POST AND LEMME KNOW IF THIS HELPS

THE MEDIC
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Monday, June 17th, 2013 AT 8:30 PM

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