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P0446 Diagnostic Trouble Code Discussion for December 2006

EVAP Vent System Performance


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Trouble Ticket Help Requests for DTC P0446
Help Request Posted
1997 GMC C1500 Sierra GT 4.3L p0446 VIN: 1GTEC14W2V
P0446: EVAP Vent System Performance. ... with the ses lt. on, p0446, vent sol. was operational, cleared code, checked for leaks, none found. veh. came back, same code, commanded w/ scanner found blowing with mouth on port the plunger would hang up after commanding open with the slightest pressure...
December 04, 2006
1996 Nissan 240SX 2.4L MIL Lamp on VIN: JN1AS44D4T
P0446: evap vent valve curcuit. I have checked both valves( purge control and vent control) both valves operate properly. I have checked for power at both valves battery voltage is at both valves. I have checked the control wire from the ECM to both valves they are intact and can carry a loa...
December 12, 2006
1999 Toyota Camry CE 2.2L MIL Lamp on VIN: 4T1BG22K1X
P0446: EVAP Vent Control Solenoid Circuit Malfunction. Relpace Both Vacuum Switching Valves On Charcole Canister- Light ON In Two Days,Then Replaced VSV On Air cleaner Assembly Same Result
December 13, 2006
1999 Toyota Camry CE 2.2L MIL Lamp on VIN: 4T1BG22K1X
P0446: EVAP Vent Control Solenoid Circuit Malfunction. Relpace Both Vacuum Switching Valves On Charcole Canister- Light ON In Two Days,Then Replaced VSV On Air cleaner Assembly Same Result
December 14, 2006
1997 GMC C1500 Sierra GT 4.3L p0446 VIN: 1GTEC14W2V
P0446: EVAP Vent System Performance. ... with the ses lt. on, p0446, vent sol. was operational, cleared code, checked for leaks, none found. veh. came back, same code, commanded w/ scanner found blowing with mouth on port the plunger would hang up after commanding open with the slightest pressure...
December 04, 2006
1996 Nissan 240SX 2.4L MIL Lamp on VIN: JN1AS44D4T
P0446: evap vent valve curcuit. I have checked both valves( purge control and vent control) both valves operate properly. I have checked for power at both valves battery voltage is at both valves. I have checked the control wire from the ECM to both valves they are intact and can carry a loa...
December 12, 2006
1999 Toyota Camry CE 2.2L MIL Lamp on VIN: 4T1BG22K1X
P0446: EVAP Vent Control Solenoid Circuit Malfunction. Relpace Both Vacuum Switching Valves On Charcole Canister- Light ON In Two Days,Then Replaced VSV On Air cleaner Assembly Same Result
December 13, 2006
1999 Toyota Camry CE 2.2L MIL Lamp on VIN: 4T1BG22K1X
P0446: EVAP Vent Control Solenoid Circuit Malfunction. Relpace Both Vacuum Switching Valves On Charcole Canister- Light ON In Two Days,Then Replaced VSV On Air cleaner Assembly Same Result
December 14, 2006