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2003 Chevrolet Silverado 1500 5.3L Hesitation, Misfire, MIL Lamp on
This vehicle came in 3 months ago with a po300 and 420 code. We replaced the plugs and wires. Did an injector service. We also installed a new converter assembly. We checked the misfire monitor on the scantool and all looked well. Recently the customer came ba...
FIX posted 5/6/2008
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Message Closed w/FIX
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11 Replies Received
11 Replies Received
Related Documents & Media | VIN | 2GCEK19T63 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / fi |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Misfire, MIL Lamp On |
| Occurs | Always |
| Misc. | Z71 |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
2003 Chevrolet Silverado 1500
| VIN | 2GCEK19T63 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / fi |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Misfire, MIL Lamp On |
| Occurs | Always |
| Misc. | Z71 |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
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