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P0446 Diagnostic Trouble Code Discussion for July 2004

EVAP Vent System Performance

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Trouble Ticket Help Requests for DTC P0446
Help Request Posted
2001 Toyota Camry CE 2.2L MIL Lamp on VIN: 4T1BG22K71
P0446: EVAP Vent Control Solenoid Circuit Malfunction. The car has codes PO440 and PO446. There are TSB for re programming the computer and then there is a TSB for replacing a Cannister Closed Valve Vacuum Switching Valve with a whole series of tests. Has anyone had experience with these codes. Is it better to r...
July 06, 2004