2002 Chevy Silverado CHECK CODE P0171 AND P0174

Tiny
RONSCAR
  • MEMBER
  • 2002 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 130,000 MILES
WONT KEEP RUNNING THEN WOULD BE OK
Friday, October 1st, 2010 AT 9:37 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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.
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Friday, October 1st, 2010 AT 10:02 PM

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