2002 Chevy Silverado CHECK CODE P0171 AND P0174

2002 CHEVROLET SILVERADO
130,000 MILES • V8 • 4WD • AUTOMATIC
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RONSCAR
  • MEMBER
  • 1 POST
WONT KEEP RUNNING THEN WOULD BE OK
Oct 1, 2010 at 9:37 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Hi RONSCAR,Welcome to 2carpros and TY for the donation.

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 1, 2010 at 10:02 PM
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