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P0446 Diagnostic Trouble Code Discussion for September 2009

EVAP Vent System Performance

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Trouble Ticket Help Requests for DTC P0446
Help Request Posted
2003 Lexus ES300 3.0L MIL Lamp on
P0446: EVAP Vent Control Solenoid Circuit Malfunction. evap codes, p0441,p0442, and p0446. all vsv work fine when actuated and don't leak vacuume, no leak when pressure tested with smoke machine(our smoke machine has a flow ball, witch drops to zero when hooked up, indicating no leak), replaced pressure sensor, ha...
September 17, 2009
2001 Toyota Sequoia Limited 4.7L MIL Lamp on VIN: 5TDBT48A51
P0446: EVAP Vent Control Solenoid Circuit Malfunction. this truck lasts about 3-4 weeks light comes on same code each time what are we missing or doing wrong
September 28, 2009