
2012 GMC Sierra 3500 HD SLE 6.0L Poor Idle Quality, Stall, Misfire, MIL Lamp on
Hey there, any and all help would be greatly appreciated on this one. Customer brought truck to us after they had replaced the engine themselves and now it runs poorly. customer stated that after the USED engine was installed all was good other then lean codes...
FIX posted 3/1/2016
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Message Closed w/FIX
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VIN | 1GT423CG8C |
Engine | 6.0 L / 8 cyl / FLEX |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Stall, Misfire, MIL Lamp On |
Occurs | Always, Under Load, on Accel, Idle |
Trouble Codes
P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage |
P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage |
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2012 GMC Sierra 3500 HD SLE
VIN | 1GT423CG8C |
Engine | 6.0 L / 8 cyl / FLEX |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Stall, Misfire, MIL Lamp On |
Occurs | Always, Under Load, on Accel, Idle |
Trouble Codes
P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage |
P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage |
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
P0300 | Multiple Misfire Detected |