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2002 Ford Taurus Rough Idle

Tiny
ZZCRITTER
  • MEMBER
  • 2002 FORD TAURUS
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 10,000 MILES
I have a 2002 Ford Taurus V6 DOHC. When I start it it does not want to idle. I goes down low and jumps around. Even after I drive it when I come to a stop it does the same thing. Sometimes it will die. After 1000 RPM it is fine. Drives fine, accelerates fine. It has codes po171 and po174 lean bank 1 and 2. Also it has a pending code of p0113. Iat sensor 1 ckt high. Have read somewhere it could be a MAF. I don't want to spend the 100.00 if it could be something else. Any help would be appreciated.
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Wednesday, May 19th, 2010 AT 8:05 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
It has codes po171 and po174 lean bank 1 and 2.

Lean fuel condition could be caused by one of the following below:

1. Vacuum leaks
2. EGR and PCV valve.
3. Low fuel pressure.
4. Dirty fuel injectors.
5. Mass Air Flow Sensor.
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Wednesday, May 19th, 2010 AT 8:51 PM

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