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TROUBLE CODE P0171 --SYSTEM TOO LEAN (BANK 1)
2000 Ford F-150
What does this code & discription mean
Thursday, November 10th, 2011 AT 10:50 PM
The air fuel ratio has more air than it should and not enough fuel. It could be the result of an O2 sensor, a vacuum leak.
Thursday, November 10th, 2011 AT 10:52 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
Thursday, November 10th, 2011 AT 11:47 PM
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