Maximize Fuel Savings, Minimize Emissions with PO446

What Does Code P0446 Mean? · P0446 definition: Evaporative Emission Control System Vent Control Circuit Malfunction · Issue Severity: LOW– Continued driving for a ... 2004 Pathfinder and she got a p0455 code (evap gross leak, large evap leak). Took to the dealer, they changed charcoal canister, vent valve, purge valve. The Purge Valve is till working, but it seems the canister isn't venting and my hoses are good. I left the cap slightly lose so it could vent, The truck seemed ... The fault code P0446 means your vehicle's evaporative emission control system or the vent valve in the EVAP system is malfunctioning. Come along with Eric & Ivan in this diagnosis as Ivan double checks Eric's original diagnosis on this 2008 Ford Escape 3.0 AWD. The P0446 means that the evap vent valve isn't responding properly, so either it's stuck open or stuck closed. Techstream is the same diagnostic software that the dealer technicians use everyday, it doesn't get any better if you're serious about repair. 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 ... Best way to test the purge valve is either a smoke machine to see if it' stuck open or to disconnect the line from the canister to the purge valve and place a ... Malibu - Error code PO446 - Hi, I have a 2001 Chevy Malibu with the error code PO446. It turns on the check engine light, but when I scan it ...