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P0446 Diagnostic Trouble Code Discussion for January 2004

EVAP Vent System Performance


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Trouble Ticket Help Requests for DTC P0446
Help Request Posted
2000 Lexus ES300 3.0L MIL Lamp on VIN: JT8BF28G3Y
P0446: EVAP Vent Control Solenoid Circuit Malfunction. The evap codes listed below have been pulled. The vsv's for the pressure sensor, purge control and outside air have all been tested and at the moment they work, are not restricted, and close thoroughly. The outside air and purge hoses have been tested and are ...
January 23, 2004
1999 Toyota Corolla CE 1.8L MIL Lamp on VIN: 1NXBR12E7X
P0446: EVAP Vent Control Solenoid Circuit Malfunction. ... intermittently [p0446-VSV for vapor pressure sensor]. We tested the VSV and it passed both the continuity test and vac. tests. Fuel cap doesn't leak. We pressure tested the evap system with our new tester and it seemed to hold pressure fine.. This car is s...
January 23, 2004