Mechanics

CHECK ENGINE LIGHT

1998 Ford Explorer • 6 cylinder 2WD Manual • 72,000 miles

On engine code# p0171 p0174. What needs to done?
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Leonard t hansen
November 17, 2010.



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.

Rasmataz
Nov 17, 2010.