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Obm2 code

Tiny
GAMBLERNC
  • MEMBER
  • 2000 FORD EXPLORER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 150,000 MILES
Am getting code p0171 and po174 says banks lean what does that mean
Sunday, January 9th, 2011 AT 5:24 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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.
6. Oxygen Sensor.
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Sunday, January 9th, 2011 AT 5:37 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
I have found on those Fords that it's very common for the rubber hoses or connectors to suck a hole right through them. Listen for a hissing noise and follow it to it's source.
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Sunday, January 9th, 2011 AT 6:20 PM

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