1999 Ford F-150 code 172175 system fuel too rich in bank 12

Tiny
DARYL0101
  • 1999 FORD F-150
  • 135,000 MILES

How can I fix it

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Monday, October 31st, 2011 AT 1:39 AM

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Tiny
RASMATAZ
  • MEMBER

1. Excessive fuel pressure can be cause by restricted fuel return line

2. Defective Oxygen Sensors.

3. Leaking injectors and fuel pressure regulator.

4. Coolant temperature sensor out of calibration.

5. Restricted air intake system.

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Monday, October 31st, 2011 AT 11:57 AM

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