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P0446 Diagnostic Trouble Code Discussion for September 2014

EVAP Vent System Performance

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Trouble Ticket Help Requests for DTC P0446
Help Request Posted
2004 Toyota Tacoma Pre Runner 2.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5TENM92N04
P0446: EVAP Vent Control Solenoid Circuit Malfunction. Vehicle has rough idle with miss about every 3-5 seconds. I can see and hear the miss. You can also hear it in the exhaust note. There is a "put" now and then in the burble that corresponds. Plugs look good and even wearing. Manifold vacuum is pretty...
September 08, 2014