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P0446 Diagnostic Trouble Code Discussion for October 2013

EVAP Vent System Performance

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Trouble Ticket Help Requests for DTC P0446
Help Request Posted
2003 Lexus RX300 3.0L MIL Lamp on, vsc light on VIN: JTJHF10U93
P0446: EVAP Vent Control Solenoid Circuit Malfunction. Got this truck in, working fine. Passed smoke test, no wisps anywhere and flow ball dropped to 0. Function checked purge valve and canister shut valve, both passed. Replaced a 2" section of hose that had visible internal cracking, no improvement. X-431 won...
October 09, 2013