 
				
	| 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
 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 | 
 15 Replies Received
15 Replies Received
 15 Replies Received
          15 Replies Received
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