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2003 Chevrolet Silverado 1500 5.3L Misfire
I am posting this to help a friend at another shop. He has a 03 Chevrolet 5.3 that is missing out on cylinders 2 and 7 at idle. Anything above 990 rpm and it is running fine. After replacing the intake gasket and clearing the codes, the only code now is P0300....
Summary posted 5/13/2015
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Related Documents & Media | VIN | 2GCEK19T03 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Idle |
Trouble Codes
| P0101 | Mass Airflow Sensor Range/Performance |
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P0300 | Multiple Misfire Detected |
| P0443 | EVAP Canister Purge Valve Circuit Malfunction |
| P2108 | Throttle Actuator Control Module Malfunction |
Message Closed w/Summary
Vehicle Data
2003 Chevrolet Silverado 1500
| VIN | 2GCEK19T03 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Idle |
Trouble Codes
| P0101 | Mass Airflow Sensor Range/Performance |
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P0300 | Multiple Misfire Detected |
| P0443 | EVAP Canister Purge Valve Circuit Malfunction |
| P2108 | Throttle Actuator Control Module Malfunction |
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