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2002 Chevrolet Avalanche 1500 Z71 5.3L MIL Lamp on
hello-had this avalanche come in today. p0449, p0452. removed vent valve from truck and bench tested it with 12v and it seemed to function as intended. apply 12v and ground and it seals shut. checked harness and have 12v feed at valve harness connector. re-ins...
FIX posted 8/2/2011
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Message Closed w/FIX
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11 Replies Received
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Related Documents & Media | VIN | 3GNEK13T42 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0449 | PCM Internal Fault |
| P0452 | Fuel Tank Pressure Sensor Circuit Low Voltage |
Message Closed w/FIX
Vehicle Data
2002 Chevrolet Avalanche 1500 Z71
| VIN | 3GNEK13T42 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0449 | PCM Internal Fault |
| P0452 | Fuel Tank Pressure Sensor Circuit Low Voltage |
Video