CHECK ENGINE LIGHT

1998 Ford Explorer

Tiny

leonard t hansen

November, 17, 2010 AT 9:30 PM

On engine code# p0171 p0174. What needs to done?

FOUND 16896 RELATED QUESTIONS

1 Answer

Tiny

rasmataz

November, 17, 2010 AT 11:26 PM

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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