Join Now
International Automotive Technicians Network

P0446 Diagnostic Trouble Code Discussion for October 2006

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
1999 BMW 323is 2.5L MIL Lamp on VIN: WBABF7337X
P0446: Evap vent solenoid problem. Generic code. ... valve vent system jammed closed(p0446 evap vent solenoid problem). Unable to locate any usefull diagnostic information on mitchell. We decided to replace both evap solenoids, the gas cap, reset the pcm, and let it go. Vehicle has now returned a week later ...
October 03, 2006
1996 Nissan Pathfinder LE 3.3L MIL Lamp on VIN: JN8ARO5Y8V
P0446: EVAP Vent Control Solenoid Circuit Malfunction. Car came in with MULTI codes within computer. Have changed , o2 sensor, gas cap (for leak), Fuel filter and the "evap canister purge cut solenoid valve" this name was taken off the emission label from under the hood. Mil light cam back on 2 weeks l...
October 12, 2006
2001 Toyota Sienna LE 3.0L MIL Lamp on VIN: 4T3ZF13C81
P0446: EVAP Vent Control Solenoid Circuit Malfunction. ... tightened, code deleted. --- Second visit - P0446 code found, test all (3) vacuum switching solenoids, visually inspect hoses & canister, provide services pertaining to TSP EG007-05 (clean blockage in hose orifice ne...
October 12, 2006
2000 Chevrolet Venture 3.4L MIL Lamp on VIN: 1GNDU03E1Y
P0446: EVAP Vent System Performance. This 2000 venture van has a p0446 code.When cleared comes back w/in 2-3 ignition cycles.checked all fuses,hoses,electical conections etc. all ok.tried to operate vent and purge solinoids w/scan tool keep getting a message sys.vaccum too high,and scan tool kick...
October 19, 2006
1999 BMW 323is 2.5L MIL Lamp on VIN: WBABF7337X
P0446: Evap vent solenoid problem. Generic code. ... valve vent system jammed closed(p0446 evap vent solenoid problem). Unable to locate any usefull diagnostic information on mitchell. We decided to replace both evap solenoids, the gas cap, reset the pcm, and let it go. Vehicle has now returned a week later ...
October 03, 2006
1996 Nissan Pathfinder LE 3.3L MIL Lamp on VIN: JN8ARO5Y8V
P0446: EVAP Vent Control Solenoid Circuit Malfunction. Car came in with MULTI codes within computer. Have changed , o2 sensor, gas cap (for leak), Fuel filter and the "evap canister purge cut solenoid valve" this name was taken off the emission label from under the hood. Mil light cam back on 2 weeks l...
October 12, 2006
2001 Toyota Sienna LE 3.0L MIL Lamp on VIN: 4T3ZF13C81
P0446: EVAP Vent Control Solenoid Circuit Malfunction. ... tightened, code deleted. --- Second visit - P0446 code found, test all (3) vacuum switching solenoids, visually inspect hoses & canister, provide services pertaining to TSP EG007-05 (clean blockage in hose orifice ne...
October 12, 2006
2000 Chevrolet Venture 3.4L MIL Lamp on VIN: 1GNDU03E1Y
P0446: EVAP Vent System Performance. This 2000 venture van has a p0446 code.When cleared comes back w/in 2-3 ignition cycles.checked all fuses,hoses,electical conections etc. all ok.tried to operate vent and purge solinoids w/scan tool keep getting a message sys.vaccum too high,and scan tool kick...
October 19, 2006