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P0446 Diagnostic Trouble Code Discussion for May 2012

EVAP Vent System Performance


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Trouble Ticket Help Requests for DTC P0446
Help Request Posted
2000 Chevrolet Malibu 3.1L MIL Lamp on VIN: 1G1ND52J1Y
P0446: EVAP Canister Purge Vent Blocked. My question isn't so much the codes I have but what my scan tool is doing. When I go to test the evap purge solenoid and the vent valve my scanner is unable to test them and say "vacuum too high in evap system". Not exactly sure what to do with this. I...
May 01, 2012
2003 Toyota Tacoma DLX 3.4L MIL Lamp on VIN: 5TEWN72N23
P0446: EVAP Vent Control Solenoid Circuit Malfunction. Aloha Techs, quick question, why when I smoke the system in this toyota, the filler neck it supposed to vent at all times? I imagine this is normal since it works with vacuum, not pressure. please someone let me know so I do not buy a Filler neck for no reason...
May 24, 2012
2001 Toyota 4Runner SR5 3.4L MIL Lamp on VIN: JT3HN86R11
P0446: EVAP Vent Control Solenoid Circuit Malfunction. evap cod p0441 p0446 p0440 evap system replaced canster pressur sensor purg valve gas cap and the check engen light still on according to the service manual for cod po446 checked voltage e9 connector at ecm all connected pin 11and 25 i found normal volt 5.29 v...
May 25, 2012