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1999 Ford Explorer Engine runs rough, upon starting

Tiny
TOM C
  • MEMBER
  • 1999 FORD EXPLORER
Engine problem
1999 Ford Explorer V6 Four Wheel Drive Automatic 52,000 miles

When starting this newly aquired low milage vehicle, the engine idle varies in rpm, till it warms up, then it runs great.
Monday, December 10th, 2007 AT 1:55 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Have the engine coolant temperature sensor, throttle position sensor, and the idle air control valve check.
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Monday, December 10th, 2007 AT 2:10 PM
Tiny
JFALLS6880
  • MEMBER
  • 5 POSTS
I had a simialr problem. Changes the idle air control valve, throttle psotion sensor adn mass air flow senosr. Helped a little but didn't solve the problem.

Tunred out to be a vaccum line had come disconnected.
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Saturday, December 15th, 2007 AT 4:49 PM

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