trouble code: P0171

2006 TOYOTA COROLLA
92,000 MILES
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TED6620
  • MEMBER
  • 3 POSTS
What items do I need to check and how do I repair them?
Jan 15, 2012 at 5:26 PM
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RASMATAZ
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 75,992 POSTS
Could be one of the below-lean fuel condition

1.Vacuum leaks

2.EGR and PCV valve.

3.Low fuel pressure.

4.Dirty fuel injectors.

5.Mass Air Flow Sensor.

6.Oxygen Sensor.


Jan 15, 2012 at 6:01 PM