Decoding the P0446 Code Your Key to Automotive Harmony

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. A fix for the P0446 code is often related to replacing the vent valve solenoid. Two other common fixes for the P0446 code are blowing out the dust that is ... This can be caused by a canister close valve being stuck closed, but more likely, it is a restricted air inlet filter at/near the charcoal ... If the vent control circuit is throwing a code, the vent isnt opening to allow pressure release on fill up. Thus causing the fill neck to back ... This code is directly connected to the vent valve, vent valve wires, and vent valve tube. So you'll see it if there's wiring issues, a leak in the tube, or ... Trouble code P0446 indicates that the engine control unit has detected an issue with your vehicle's evaporative emission control system (EVAP) vent valve. CEL came on a week after removing my throttle body to clean it, code P0446. - No vacuum leaks - Verified evap canister vent valve is ... What is a P0446 Code? Better yet, what the heck is a Evaporative Emission System Vent Control Circuit? Well I ran into this problem with my ... Unlikely a bad charcoal canister but possible. P0446 would NOT set for a loose gas cap. A loose gas cap would set an EVAP Small Leak code while ...