1998 Ford F-150 OBD-11 codes

Tiny
PACKER67
  • MEMBER
  • 1998 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 85,000 MILES
What sensor would most likely give me a code p0171 and po174 I know they are too lean bank 1 and 2 but need to know what sensor to change thanks
Friday, July 16th, 2010 AT 12:20 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 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.
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Friday, July 16th, 2010 AT 4:07 PM

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