
2002 Chevrolet Avalanche 1500 5.3L MIL Lamp on
Have a problem Code p0446 ( vent valve circuit ). Scanned vehicle, found fuel tank pressure sensor voltage stuck on .41 volts at all times, replaced sensor with good voltage now. Scanner shows purge at above idle and hard throttle. Bench tested purge solen...
FIX posted 4/4/2025
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Message Closed w/FIX
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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
P0446 | EVAP Vent Control System Performance |
Message Closed w/FIX
Vehicle Data
2002 Chevrolet Avalanche 1500
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
P0446 | EVAP Vent Control System Performance |