Mechanics

TROUBLE CODE: P0171

2006 Toyota Corolla • 92,000 miles

What items do I need to check and how do I repair them?
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Ted6620
January 15, 2012.




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.

Tiny
Rasmataz
Jan 15, 2012.


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