1998 FORD F150 OBD-11 CODES

  • Tiny
  • packer67
  • 1998 Ford F-150

Computer problem
1998 Ford F150 V8 Four Wheel Drive Automatic 85000 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

Do you
have the same problem?
Friday, July 16th, 2010 AT 12:20 PM

1 Reply

  • Tiny
  • rasmataz
  • Member

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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