o2 sensor

2000 CHEVROLET SUBURBAN
300,150 MILES • V8 • 4WD • AUTOMATIC
Avatar
LEVONRC
  • MEMBER
  • 1 POST
code P0174 for 2000 suburban
Jan 16, 2011 at 1:26 AM
Advertisement
Avatar
RASMATAZ
  • CERTIFIED EXPERT
  • 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.
Jan 16, 2011 at 1:35 AM