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Ford Taurus idle problem

Tiny
BILANDCARMEN
  • MEMBER
  • FORD TAURUS
My 2003 se Taurus has been idling as little rough lately. This car is maintained at the highest level possible. It looks and runs like a 2006. However, if I push down the brake pedal will in drive it runs a little rough for my blood. It was on a scanner test about 3 weeks ago and the oxygen sensor showed to be back but after resetting the system the error message stopped. Its this sensor responsible for the idle?
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Friday, July 6th, 2007 AT 12:33 PM

2 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
The only time the 02 sensor doesnt come into play is at cold start. But it could also be the IAC.
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Friday, July 6th, 2007 AT 4:26 PM
Tiny
BILANDCARMEN
  • MEMBER
  • 6 POSTS
Well thanks very much, I just talk to the pepboys tech who did the scan and he thought it wan't the oxygen senser but as you said the IAC. This is a all the time thing, cold or hot. I can be sitting in a bank drive threw for 20 minutes and everytime that AC compressor kicks in it fells like the motor just got punched. Its like a misfire. But it never stallls just kind of goes below the normal idle mark. Now this IAC is located where in the engine? Hey thanks for your time sir.
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Friday, July 6th, 2007 AT 5:31 PM

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