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P0446 Diagnostic Trouble Code Discussion for September 2004

EVAP Vent System Performance


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Trouble Ticket Help Requests for DTC P0446
Help Request Posted
1999 Volvo S80 2.9 2.9L MIL Lamp on VIN: YV1TS90D6X
P0446: Evap Vent Solenoid Problem. Because I am unable to actually get into the evap system to test the pressure drops I am stuck with my best guess on this one. It is my gut feeling that the vent solenoid is stuck closed which would in turn cause a higher than normal reading in the tank pressu...
September 02, 2004
1996 Isuzu Rodeo LS 2.6L MIL Lamp on VIN: 4S2CK58VXT
P0446: EVAP Vent Control System Performance. Hello techs,hope some other techs have been plagued with this code. PO446 Evap. vent Solenoid. I have in the pass replaced the vent solenoid on top of the engine plenum that clear this code. Freeze fame on scanner shows this code set at 10 to 20 mph . This is ...
September 14, 2004
2000 Pontiac Grand Prix GTP 3.8L No Start, Stall, starts/shuts off VIN: 1G2WR5217Y
P0446: EVAP Emission Vent System Performance. Hi All This started with an evap vent code...ran great...started testing vent sol lr fenderwell 15.5 ohms not sticking (used snapy to turn on the sol ..moved up to purge sol by alt... then veh hasn't started and ran longer then 10 secs since... master tech cam...
September 25, 2004
2000 Pontiac Grand Prix GTP 3.8L No Start, Stall, starts/shuts off VIN: 1G2WR5217Y
P0446: EVAP Emission Vent System Performance. Hi All This started with an evap vent code...ran great...started testing vent sol lr fenderwell 15.5 ohms not sticking (used snapy to turn on the sol ..moved up to purge sol by alt... then veh hasn't started and ran longer then 10 secs since... master tech cam...
September 27, 2004
1999 Toyota Camry CE 2.2L MIL Lamp on VIN: 4T1BG22K9X
P0446: EVAP Vent Control Solenoid Circuit Malfunction. Search of TDF offered no help. Looking for a pattern failure and quick test. And a pot of gold at the end of the rainbow, too.
September 29, 2004
1999 Volvo S80 2.9 2.9L MIL Lamp on VIN: YV1TS90D6X
P0446: Evap Vent Solenoid Problem. Because I am unable to actually get into the evap system to test the pressure drops I am stuck with my best guess on this one. It is my gut feeling that the vent solenoid is stuck closed which would in turn cause a higher than normal reading in the tank pressu...
September 02, 2004
1996 Isuzu Rodeo LS 2.6L MIL Lamp on VIN: 4S2CK58VXT
P0446: EVAP Vent Control System Performance. Hello techs,hope some other techs have been plagued with this code. PO446 Evap. vent Solenoid. I have in the pass replaced the vent solenoid on top of the engine plenum that clear this code. Freeze fame on scanner shows this code set at 10 to 20 mph . This is ...
September 14, 2004
2000 Pontiac Grand Prix GTP 3.8L No Start, Stall, starts/shuts off VIN: 1G2WR5217Y
P0446: EVAP Emission Vent System Performance. Hi All This started with an evap vent code...ran great...started testing vent sol lr fenderwell 15.5 ohms not sticking (used snapy to turn on the sol ..moved up to purge sol by alt... then veh hasn't started and ran longer then 10 secs since... master tech cam...
September 25, 2004
2000 Pontiac Grand Prix GTP 3.8L No Start, Stall, starts/shuts off VIN: 1G2WR5217Y
P0446: EVAP Emission Vent System Performance. Hi All This started with an evap vent code...ran great...started testing vent sol lr fenderwell 15.5 ohms not sticking (used snapy to turn on the sol ..moved up to purge sol by alt... then veh hasn't started and ran longer then 10 secs since... master tech cam...
September 27, 2004
1999 Toyota Camry CE 2.2L MIL Lamp on VIN: 4T1BG22K9X
P0446: EVAP Vent Control Solenoid Circuit Malfunction. Search of TDF offered no help. Looking for a pattern failure and quick test. And a pot of gold at the end of the rainbow, too.
September 29, 2004