Trouble Codes

2001 FORD F-150

108,000 MILES • 6 CYL • 2WD • AUTOMATIC

LINDATBIRD

MEMBER
1 POST
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I have a 2001 Ford F-150 2W V-6. Receiving trouble code readings P0171 and P0174. I need to know what to check to correct problem. Fuel and air filters have been replaced recently. Vehicle misses intermittantly upon acceleration especially on steep grades.

Feb 24, 2011 at 4:41 PM

RASMATAZ

CAR REPAIR CONTRIBUTOR
75,992 POSTS

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.

Mar 20, 2011 at 12:01 AM

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