Unveiling the Secrets of the PO446 Code Evaporative Emissions Control Simplified

My engine light came on for this problem (P0446) Evaporative Emission System Vent Control Circuit... additionally i cant seem to pump more that about $.35 worth ... The code P0446 is set when the engine computer recognizes a fault or restriction at the vent control part of the Evaporative emission control system. P0446 is a BLOCKAGE in the EVAP system. My guess is the vent valve on the charcoal canister is bad. It means the vacuum in the tank is too high. The part you are talking about is on the driver side inner fender, it is the part with the rubber flange that just sits on a bracket. Replace the existing EVAP canister vent solenoid and bracket. This new vent solenoid has an enhanced filtering capability and a filter element that can be ... P0446 Evaporative Emission Control System Vent Control malfunction. ... My car has been throwing this code for awhile, and i can't figure out why. I keep getting code PO466 Evaporative emission control system vent control circuit. It comes on for a couple days then goes off and then reappears again. C7 Tech/Performance - Evap code P0446 below 1/4 tank - I have a 2015 z06 and when im below 1/4 tank i got the code P0446. The P0446 error code signifies a problem with the evaporative emission control (EVAP) system's vent control circuit. Vapor Canister Purge Valve– One of the most common causes of the P0446 code is the vapor canister purge valve. It's really easy to replace.