HajiNado Posted March 21, 2009 Share Posted March 21, 2009 I need help i have a lexus gs300 1998 i have the code P0446 EVAP Emission Control System Vent Control Malfunction i keep one resetting the computer and keep on coming back On. emai Nado.rezayee@gmail.com i am not sure where to start and what to do? Quote Link to comment Share on other sites More sharing options...
paulenka1 Posted June 5, 2012 Share Posted June 5, 2012 A code P0446 could mean one or more of the following has happened: Faulty vent valve Open, short or excessive resistance on Vent valve control circuit Blockage of vent valve Bad PCM use a code scan tool to clear the fault code. maybe u695 can do your car. __________________________ never say goodbye! Chinasinoy Blog Quote Link to comment Share on other sites More sharing options...
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