code po 171 ,lean bank 1 . what could be promblem
Mar 17, 2011 at 6:03 PM
PO 171 CODE
2001 PONTIAC GRAND PRIX
JAVIER01
- MEMBER
- 1 POST
- FOLLOW
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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.
1.Vacuum leaks
2.EGR and PCV valve.
3.Low fuel pressure.
4.Dirty fuel injectors.
5.Mass Air Flow Sensor.
6.Oxygen Sensor.
Mar 17, 2011 at 7:00 PM
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