P0446 Code The Ultimate Troubleshooting Guide for Vehicle Owners

This code can be triggered by an actual vent valve malfunction but can also be triggered by a leaky gas cap. By leaky, I mean the seal is ... It is possible some of the lines for evap got affected. Most of that stuff sits behind the right rear wheel with lines running over the wheel to the gas tank ... DTC P0446 is a Type B DTC. ... DTC P0446 is a Type B DTC. ... An intermittent condition could be caused by a damaged EVAP vent housing, a temporary ... The code only means there is something wrong somewhere in the entire vent solenoid circuit, not necessarily with the vent solenoid itself. 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 (EVAP). Let's have a look at this Chevrolet Cobalt that came with a code P0446 for the EVAP Vent Solenoid Performance. Code pulled is P0446: Evaporative Emission Control System Vent Control Circuit. Went to Mazda for a diagnostic out-of-warranty ($120). They found the issue was ... if by some chance the gas cap is causing an issue that would throw a different p code. p0446 relates to the valve you could waste time ... 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. P0446: Purge airline is blocked or high flow resistance in the EVAP canister. 03-30-2014 10:55 AM ...