2006 GMC C2500 Repair Question
Topics covered: Sensor, Check engine light, Engine.
Mileage: 125,000 miles.
Mileage: 125,000 miles.
Asked on February 17, 2012
Obd codes
Check Engine light came on while on a cross country trip from New Mexico to SC pulling a 25 ft camper. Fuel consumption was excessive, 7-10 MPG after the light came on. Found the following codes set P0101, P0171 and P0174. Cleared the codes. Any ideas?
Thanks Bill H
Thanks Bill H
Asked by trisibAnswer
Replied on February 17, 2012
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.
