I drive a 2002 Ford Focus. The engine light is on and is reading code P0171 system too lean.

Tiny
LESLIEB81
  • MEMBER
  • 2002 FORD FOCUS
It drives ok but when stopped at red lights it constantly revs and then stalls. Have been told its a fuel problem and also have been told I need a new o2 sensor. Keep getting different answers from different mechanics
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Friday, January 6th, 2012 AT 9:55 PM

3 Replies

Tiny
SATURNTECH9
  • EXPERT
Since its reving I would say its a vacuum leak have you checked for one of those yet?
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Friday, January 6th, 2012 AT 10:04 PM
Tiny
LESLIEB81
  • MEMBER
I have not checked that yet.I will try it
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Friday, January 6th, 2012 AT 10:08 PM
Tiny
SATURNTECH9
  • EXPERT
Please do thats what makes sense from your codes and symptoms. Let me know what you find.
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Friday, January 6th, 2012 AT 10:11 PM

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