2003 Cadillac SLS DTC 0174

2003 CADILLAC SLS
83,000 MILES • V8 • FWD • AUTOMATIC
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ROUMENID
  • MEMBER
  • 1 POST
Please, what could be the reason DTC 0174 appear on OBD II reader?
Thank you
Oct 10, 2010 at 2:57 AM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
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.
Oct 10, 2010 at 3:16 AM
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