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P0446 Diagnostic Trouble Code Discussion for March 2010

EVAP Vent System Performance

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Trouble Ticket Help Requests for DTC P0446
Help Request Posted
2005 Buick Rendezvous CX 3.4L MIL Lamp on VIN: 3G5DA03L26
P0446: EVAP Vent System Performance. cannot get p0446 to stay away, replaced vent valve, purge valve, and still comes on. Perfomed vacuum test with tech 2, worked perfectly. any ideas?
March 01, 2010
1997 Nissan Sentra 1.6L MIL Lamp on VIN: 1N4AB41D4V
P0446: EVAP Vent Control Solenoid Circuit Malfunction. ... later on the same day. She brings it in and she had a P0440 only so i looked at her fuel level and saw she got gas. I smoked system and it was all good. Shes back a week later. P0440 and P0446. I checked the vent controll va...
March 22, 2010
2003 Hyundai Santa Fe LX 3.5L MIL Lamp on VIN: KLM8SC13E4
P0446: EVAP Vent Control Solenoid Circuit Performance (Closed). Only on start up p0446 pending. Second start up turns check eng. light on. Does not happen during road test, only on cycling of ignition key to start engine. Followed aldata touble chart for p0446.
March 24, 2010
2000 Volvo V70 X/C AWD 2.4L Hesitation, Surge VIN: YV1LZ56D1Y
P0446: Evaporative Emissions System Vent Control Circuit. Hi, I apologize from the start! This is a long one. I have a 2000 Volvo V-70XC AWD Which started studdering/hesitating/surging upon slight acceleration approximately 1 year ago maybe a bit longer by a month or so. It was rather subtle & hard to notice at t...
March 24, 2010
2007 Chevrolet Malibu LS 2.2L MIL Lamp on, hard to fuel up VIN: 1G1ZS58F47
P0446: EVAP Vent System Performance. the car returned again same code a week later and yes it was hard to fill it took them forever she said to get it to half a tank. we took the tank out of the car not just down blew through all the lines to make sure none was clogged, removed tank unit and made...
March 31, 2010