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1999 Ford Explorer Rough Idle

Tiny
SWAMPFOX89
  • MEMBER
  • 1999 FORD EXPLORER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 135,000 MILES
99 Explorer Sport, 6 cyl OHV, 135000 mi.

Truck idles very rough when Idling, Accelerating, or Stopped while in gear, but not while coasting or decelerating. Just installed new spark plugs, wires, air filter, fuel filter. Added injector cleaner. Cleaned the IAC. Getting very poor mileage (around 11mpg)
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Thursday, February 11th, 2010 AT 5:26 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Does the engine still seem to have the power it always had?
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Friday, February 12th, 2010 AT 5:19 PM
Tiny
SWAMPFOX89
  • MEMBER
  • 2 POSTS
No. It seems to be significantly lower, especially when accelerating.
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Saturday, February 13th, 2010 AT 2:27 PM

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