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2003 Chevrolet Silverado 1500 LT 5.3L MIL Lamp on
Hello, We have been fighting this one. When code first set we could not get the vent solenoid to vent so we did the TSB, it lasted for about 2 weeks then 446 again. The second time my tech found the fuel tank pressure sensor indicated 10 inches of vacuum,I thi...
FIX posted 10/14/2010
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Message Closed w/FIX
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16 Replies Received
16 Replies Received
Related Documents & Media | VIN | 1GCEK19T03 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Cruise |
Trouble Codes
| P0446 | EVAP Vent Control System Performance |
Message Closed w/FIX
Vehicle Data
2003 Chevrolet Silverado 1500 LT
| VIN | 1GCEK19T03 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Cruise |
Trouble Codes
| P0446 | EVAP Vent Control System Performance |
Video