P0446 A Comprehensive Guide to EVAP System Vent Valve Issues

P0446 is a diagnostic trouble code (DTC) for "Evaporative Emission Control System Vent Control Circuit Malfunction". This can happen for multiple reasons. It is most likely the valve in a line coming out of the gas tank. But they'd have to diagnose to know for sure, ie, supply power to the valve to see if it ... Does your car sputter and stall? Getting a P0446 trouble code? Don't rush to the mechanic yet! This code often points to a faulty emissions ... Evaporative Emission System Malfunction P0446: Evaporative Emission Control System Ventilation Control Circuit Malfunction - Auto 24 cards ... How to fix a Chevy / GMC P0446 engine Code: Evaporative Emission Control System Vent Control Circuit Malfunction Amazon Link to Smoke ... in this video I'm gonna share with you how to diagnose and fix a P0446 Trouble Code On a GMC Yukon! Evap System Testing! Corroded wire causing a check engine light with code P0446 and hard refueling. The P0446 code in Alldata indicates it's the Evaporative Emission Canister Vent Solenoid Valve on the canister underneath the vehicle. Not the purge valve on ... Well-Known Member. Established Member. Joined: Mar 11, 2007. Messages: 7,580. Location: poteet,texas. po446 start HX65 2003 PCED OBD SECTION 5 ... Having trouble with your vehicle's Check Engine Light? This article will tell you what a P0446 code is and provide solutions on how to fix ...