Join Now
International Automotive Technicians Network

P0446 Diagnostic Trouble Code Discussion for September 2005

EVAP Vent System Performance


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0446
Help Request Posted
2001 Toyota Highlander 3.0L MIL Lamp on VIN: JTEGF21AX1
P0446: EVAP Vent Control Solenoid Circuit Malfunction. ... history,we always found the canister hose off at the air cleaner assy whenever it came in with this evap code...but not today. Now we have a P0446 in history,freeze frame shows this code and testing is inconclusive.Both purge and vent valves test good but ...
September 06, 2005
1997 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP52K2V
P0446: EVAP Emission Vent System Performance. Re-curring evap code P0446, evap system cansiter vent blocked. Clear code, customer drives car for 2 days and the MIL comes back on in exactly the same spot at exactly the same mileage every time (this only happens to him, we have driven the vehicle several mi...
September 13, 2005
1997 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP52K2V
P0446: EVAP Emission Vent System Performance. Re-curring evap code P0446, evap system cansiter vent blocked. Clear code, customer drives car for 2 days and the MIL comes back on in exactly the same spot at exactly the same mileage every time (this only happens to him, we have driven the vehicle several mi...
September 14, 2005
1996 Toyota 4Runner Limited 3.4L MIL Lamp on VIN: JT3N87R5T0
P0446: EVAP Vent Control Solenoid Circuit Malfunction. ... vehicle came to us with the MIL on and the code was P0446. We tested all the switches and the sensor as well as the controll circuits at the ECM. We got questionable readings at the sensor so we put a new one on. The owner of the vehicle took and drove it ...
September 14, 2005
2001 Toyota Highlander 3.0L MIL Lamp on VIN: JTEGF21AX1
P0446: EVAP Vent Control Solenoid Circuit Malfunction. ... history,we always found the canister hose off at the air cleaner assy whenever it came in with this evap code...but not today. Now we have a P0446 in history,freeze frame shows this code and testing is inconclusive.Both purge and vent valves test good but ...
September 06, 2005
1997 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP52K2V
P0446: EVAP Emission Vent System Performance. Re-curring evap code P0446, evap system cansiter vent blocked. Clear code, customer drives car for 2 days and the MIL comes back on in exactly the same spot at exactly the same mileage every time (this only happens to him, we have driven the vehicle several mi...
September 13, 2005
1997 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP52K2V
P0446: EVAP Emission Vent System Performance. Re-curring evap code P0446, evap system cansiter vent blocked. Clear code, customer drives car for 2 days and the MIL comes back on in exactly the same spot at exactly the same mileage every time (this only happens to him, we have driven the vehicle several mi...
September 14, 2005
1996 Toyota 4Runner Limited 3.4L MIL Lamp on VIN: JT3N87R5T0
P0446: EVAP Vent Control Solenoid Circuit Malfunction. ... vehicle came to us with the MIL on and the code was P0446. We tested all the switches and the sensor as well as the controll circuits at the ECM. We got questionable readings at the sensor so we put a new one on. The owner of the vehicle took and drove it ...
September 14, 2005