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P0446 Diagnostic Trouble Code Discussion for February 2013

EVAP Vent System Performance


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Trouble Ticket Help Requests for DTC P0446
Help Request Posted
2006 Mercedes-Benz E350 4Matic 3.5L MIL Lamp on VIN: WDBUF87J16
P0446: charcoal canister valve open circuit. heres the story scanned car as driver complained of low heat and engine running cold got a code for thermostat performance ,, just one code changed thermostat and filled cooling system and road tested car to verify heat ,, cleared codes all was fine now...
February 06, 2013
1998 Toyota Avalon XL 3.0L MIL Lamp on VIN: 4T1BF18B7W
P0446: EVAP Vent Control Solenoid Circuit Malfunction. Ok I have code P0664 EVAP Vent Control Fault. Can anyone tell me exactly how this system is suppost to work? Mitchells information Leaves me with more questions than answers. Commanded VSV on and no change in flow through VSV. Flow through VSV all the time.did...
February 21, 2013
1998 Toyota Avalon XL 3.0L MIL Lamp on VIN: 4T1BF18B7W
P0446: EVAP Vent Control Solenoid Circuit Malfunction. Ok I have code P0664 EVAP Vent Control Fault. Can anyone tell me exactly how this system is suppost to work? Mitchells information Leaves me with more questions than answers. Commanded VSV on and no change in flow through VSV. Flow through VSV all the time.did...
February 25, 2013
2006 Mercedes-Benz E350 4Matic 3.5L MIL Lamp on VIN: WDBUF87J16
P0446: charcoal canister valve open circuit. heres the story scanned car as driver complained of low heat and engine running cold got a code for thermostat performance ,, just one code changed thermostat and filled cooling system and road tested car to verify heat ,, cleared codes all was fine now...
February 06, 2013
1998 Toyota Avalon XL 3.0L MIL Lamp on VIN: 4T1BF18B7W
P0446: EVAP Vent Control Solenoid Circuit Malfunction. Ok I have code P0664 EVAP Vent Control Fault. Can anyone tell me exactly how this system is suppost to work? Mitchells information Leaves me with more questions than answers. Commanded VSV on and no change in flow through VSV. Flow through VSV all the time.did...
February 21, 2013
1998 Toyota Avalon XL 3.0L MIL Lamp on VIN: 4T1BF18B7W
P0446: EVAP Vent Control Solenoid Circuit Malfunction. Ok I have code P0664 EVAP Vent Control Fault. Can anyone tell me exactly how this system is suppost to work? Mitchells information Leaves me with more questions than answers. Commanded VSV on and no change in flow through VSV. Flow through VSV all the time.did...
February 25, 2013