PO 171 CODE

Tiny
JAVIER01
  • MEMBER
  • 2001 PONTIAC GRAND PRIX
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 110,000 MILES
Code po 171, lean bank 1. What could be promblem
Thursday, March 17th, 2011 AT 6:03 PM

1 Reply

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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Thursday, March 17th, 2011 AT 7:00 PM

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