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2000 Ford Escort Rough Idle at Start

Tiny
VJFOSTER
  • MEMBER
  • 2000 FORD ESCORT
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 66,677 MILES
My 2000 ford escort sometimes at start idles low if though its not getting enough fuel it throw smoke out the exhaust for about 30 sec to 1 minute but clears up once I drive it or hit the gas a few times. It doesnt alway occur. Just sometimes. I recently changed the coil pack and wires and plugs are about 4 month old. What could it be? I only notice the smoke when its idleing rough and low in mornings. Its now running hot. It just idle low and rough sometimes. What could it be?
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Monday, November 24th, 2008 AT 9:49 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do you have a check engine light?

Check the idle air control motor/valve, coolant temperature, throttle position, and mass airflow sensors-to include a fuel pressure check.
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Monday, November 24th, 2008 AT 10:57 PM
Tiny
VJFOSTER
  • MEMBER
  • 2 POSTS
I have No service engine light. The car idles rough for about 15-30 seconds and just clears up but sometimes when its real cold outside it does it little longer.
But I just started experience the temperature guage moving a little to cool to a little before mid way of the guage when I drive it. Another question is can a car have a blown head gasket without running hot or having milky oil or no white smoke while driving.
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Wednesday, November 26th, 2008 AT 5:55 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Try replacing the thermostat and for the blown headgasket it will run hot and overheat-Best thing to do is get it block and pressure tested.
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Thursday, November 27th, 2008 AT 4:44 PM

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