2003 CADILLAC SLS DTC 0174

  • Tiny
  • roumenid
  • 2003 Cadillac SLS

Computer problem
2003 Cadillac SLS V8 Front Wheel Drive Automatic 83000 miles

Please, what could be the reason DTC 0174 appear on OBD II reader?
Thank you

Sunday, October 10th, 2010 AT 2:57 AM

1 Answer

  • 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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Sunday, October 10th, 2010 AT 3:16 AM

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