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2005 Ford Focus Ford

Tiny
DONKFAN1
  • MEMBER
  • 2005 FORD FOCUS
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 115,000 MILES
Car wants to die every time I make a left. It struggles to accelerate going straight, but will go eventually. Can do right hand turns all day, no problem. Had fuel pump replaced in dec. 2014. This problem started approx. 1 month ago and has gotten worse. Started as just a slight hesitation during acceleration before the left turn problem started. The engine light came on as it got worse, I'm not 100% sure I remember the codes right, p something 91, and p.71, both fuel related. ?
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Wednesday, April 8th, 2015 AT 8:20 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
I need to know the correct trouble codes. The ones you listed are not for an OBD 2 system, which your car has.
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Wednesday, April 8th, 2015 AT 11:04 AM
Tiny
DONKFAN1
  • MEMBER
  • 2 POSTS
The codes are on a printout inside my car, which is inside a shop, where they can't figure out whats wrong with my car. I think they might be, po191, po171
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Wednesday, April 8th, 2015 AT 11:24 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
If those codes are correct, you first need to check fuel pump pressure. The 191 code is dealing with the fuel rail pressure. The other code deals with a lean fuel mixture. These could be tied together by low fuel pressure. Do that and let me know what you find.
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Wednesday, April 8th, 2015 AT 7:07 PM

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