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P0446 Diagnostic Trouble Code Discussion for August 2004

EVAP Vent System Performance

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Trouble Ticket Help Requests for DTC P0446
Help Request Posted
1997 Toyota Camry CE 2.2L MIL Lamp on VIN: 4TIBG22K9V
P0446: EVAP Vent Control Solenoid Circuit Malfunction. Hello Everyone, I have this 97 camry with two evap codes, Po441, and po446, both evaps codes, I don't have lots of infos,I looked at the canister and hoses nothing is visibly wrong,I was told that the canister with a switchove valve in the engine compartment n...
August 11, 2004
2000 Chevrolet Tahoe LT 5.3L MIL Lamp on VIN: 1GNEK13T8Y
P0446: EVAP Vent System Performance. This truck is in for a mil. Po446 code evap Alldata chart said to remove fuel cap and check fuel tank pressure. the pressure is 5.33inh20 specis 0inhg then go to tank pressure sensor high voltage. I did the test and replaced sensor and tested tank pressure aga...
August 17, 2004
1999 Toyota Solara SE 3.0L MIL Lamp on VIN: 2T1CF28P4X
P0446: evap vent control circuit. I'm having a difficult time trying to figure out how to test these evap system components. I could activate the different solenoids and valves with the mastertech and the fuel tank and hoses are not leaking, although I'm not sure how to stop the drain hose at ...
August 18, 2004