
2003 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Misfire, MIL Lamp on
This high miles Silverado came in for a random misfire, and evap issues. I found the vent solenoid was bad, would not close. the wiring tested fine so I replaced it. Looked over the basic engine data quickly and nothing jumped out at me. I did a baseline c...
Summary posted 9/1/2019
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Message Closed w/Summary
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VIN | 2GCEK19T63 |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0300 | Multiple Misfire Detected |
P0449 | PCM Internal Fault |
P0455 | EVAP System Very Large Leak Detected |
Message Closed w/Summary
Vehicle Data
2003 Chevrolet Silverado 1500
VIN | 2GCEK19T63 |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0300 | Multiple Misfire Detected |
P0449 | PCM Internal Fault |
P0455 | EVAP System Very Large Leak Detected |