TROUBLE CODE: P0171

2006 Toyota Corolla

Tiny

ted6620

January, 15, 2012 AT 5:26 PM

What items do I need to check and how do I repair them?

FOUND 156 RELATED QUESTIONS

1 Answer

Tiny

rasmataz

January, 15, 2012 AT 6:01 PM

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.

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