Unraveling the Mysteries of the P0446 Code A Diagnostic Masterclass for Automotive Professionals

With a P0446 OBD-II trouble code, here are some things to try: Replace Vent valve, Repair open, short, or resistance problem in control circuit, Repair open, ... It could be the canister vent valve sticking, it could be a line leaking or it could be the canister itself. The symptom from my understanding was some fuel leakage on the floor when filling up and/or the inability to put gas in the truck without the pump shutting off ... 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 ... My Code Reader book says EVAP Emission Control System Vent Circuit Malf. Maybe somethings plugged up, if it's not venting, that would explain the extra ... Code P0446 indicates that there is an improper voltage drop in the EVAP Vent Valve circuit, which can be caused by either too little or too much electrical ... 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 ... I had a check engine light with P0446 code and no hiss when opening the gas cap so I started with changing the gas cap - no change 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 generic OBD-II code indicates that the evaporative vent valve in the emission control system is malfunctioning.