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P0446 Diagnostic Trouble Code Discussion for June 2015

EVAP Vent System Performance


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Trouble Ticket Help Requests for DTC P0446
Help Request Posted
1997 Nissan Pathfinder LE 3.3L MIL Lamp on VIN: JN8AR05Y3V
P0446: EVAP Vent Control Solenoid Circuit Malfunction. This should be a simple fix but it's proving not so. Car came from another shop that has been tossing parts at this Nissan. Vent Solonoid is New, PCM has been tried, Wiring from pcm is good 12 Volts good at valve. Smoke tested canister and Valve seals well. Wh...
June 04, 2015
2002 Hyundai XG350 3.5L MIL Lamp on VIN: KMHFU45E92
P0446: EVAP Vent Control Solenoid Circuit Performance (Closed). vehicle came with p0446. replaced ccv by the canister and vehicle is back. fuel vapor pressure with the cap of is 0.01v. is this a sign of a bad pressure sensor? read on previous posts supposed to be around 2.4v. removed the hose to fuel pressure sensor and ra...
June 05, 2015