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P0446 Diagnostic Trouble Code Discussion for October 2005

EVAP Vent System Performance


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Trouble Ticket Help Requests for DTC P0446
Help Request Posted
1999 Toyota Camry CE 2.2L MIL Lamp on VIN: 4T1BG22K3X
P0446: EVAP Vent Control Solenoid Circuit Malfunction. had codes 446 & 441 replaced the canister which came complete with pressure sensor and vsv valve on it also replaced purge vsv valve under hood by air box road test car and found code p446 now in pending codes. tryed to turn manually operate purge vsv with...
October 13, 2005
2001 Porsche 911 Carrera 3.4L evap VIN: WP0CA29951
P0446: evap emission control system vent control circuit malfunction. ... complaint of the Check engine light on for two months and a light honking noise when turning right. Pulled the computer fault codes and found one stored code in ECU. #P0446 Evap Emission control system Vent control system malfunction. Drove the car and was...
October 17, 2005
2002 Chevrolet Prizm 1.8L MIL Lamp on VIN: 1Y1SK528X2
P0446: evaporative emission system vent performance. ... solenoid out and can make it work off the car with 12v. Then I cked it on the car. I gave it 12v + and the the engine dies. So I would say it changes the timing. Test drive and light goes on again. I read MOD testing and it says to ck the filter to this so...
October 18, 2005
2001 Porsche 911 Carrera 3.4L evap VIN: WP0CA29951
P0446: evap emission control system vent control circuit malfunction. ... complaint of the Check engine light on for two months and a light honking noise when turning right. Pulled the computer fault codes and found one stored code in ECU. #P0446 Evap Emission control system Vent control system malfunction. Drove the car and was...
October 18, 2005
1999 Toyota Camry CE 2.2L MIL Lamp on VIN: 4T1BG22K3X
P0446: EVAP Vent Control Solenoid Circuit Malfunction. had codes 446 & 441 replaced the canister which came complete with pressure sensor and vsv valve on it also replaced purge vsv valve under hood by air box road test car and found code p446 now in pending codes. tryed to turn manually operate purge vsv with...
October 13, 2005
2001 Porsche 911 Carrera 3.4L evap VIN: WP0CA29951
P0446: evap emission control system vent control circuit malfunction. ... complaint of the Check engine light on for two months and a light honking noise when turning right. Pulled the computer fault codes and found one stored code in ECU. #P0446 Evap Emission control system Vent control system malfunction. Drove the car and was...
October 17, 2005
2002 Chevrolet Prizm 1.8L MIL Lamp on VIN: 1Y1SK528X2
P0446: evaporative emission system vent performance. ... solenoid out and can make it work off the car with 12v. Then I cked it on the car. I gave it 12v + and the the engine dies. So I would say it changes the timing. Test drive and light goes on again. I read MOD testing and it says to ck the filter to this so...
October 18, 2005
2001 Porsche 911 Carrera 3.4L evap VIN: WP0CA29951
P0446: evap emission control system vent control circuit malfunction. ... complaint of the Check engine light on for two months and a light honking noise when turning right. Pulled the computer fault codes and found one stored code in ECU. #P0446 Evap Emission control system Vent control system malfunction. Drove the car and was...
October 18, 2005