
1997 GMC C1500 Sierra SL 5.7L Poor Idle Quality, Misfire, MIL Lamp on
The truck continues to get P0300 Multiple Random mis-fire code and shows mis-fires on cylinders 1, 3, & 5. Fuel pump has been replaced along with rotor, distributor, plugs, spark plug wires, etc. The intake gaskets were changed on the truck over 5 years ago. T...
FIX posted 3/10/2009
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Message Closed w/FIX
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VIN | 2GTEC19R8V |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0150 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Malfunction |
P0300 | Multiple Misfire Detected |
P0303 | Cylinder 3 Misfire Detected |
Message Closed w/FIX
Vehicle Data
1997 GMC C1500 Sierra SL
VIN | 2GTEC19R8V |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0150 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Malfunction |
P0300 | Multiple Misfire Detected |
P0303 | Cylinder 3 Misfire Detected |