
2004 GMC Sierra 1500 5.3L Misfire, MIL Lamp on
Any help would be apprieciated. This vehicle came in with a miss and lean code on bank one. I checked fuel press. 62 P.S.I. I also checked for vaccume leaks and found none. Checked TSB's And O2 sensor not cracked. Cyl. 1,3,5,7 misses inter with 1,5 missing all...
FIX posted 2/19/2010
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Message Closed w/FIX
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VIN | 2GTEK13TX4 |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
P0171 | Fuel System Too Lean (Bank 1) |
P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2004 GMC Sierra 1500
VIN | 2GTEK13TX4 |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
P0171 | Fuel System Too Lean (Bank 1) |
P0300 | Multiple Misfire Detected |