P0446 The Ultimate Guide to Evaporative Emission Control System Diagnosis

-The EVAP vent solenoid valve controls fresh airflow into the EVAP canister. The valve is normally open. The control module commands the valve ... Code P0446 is a diagnostic trouble code (DTC) that indicates a problem with the evaporative emission control (EVAP) system vent control ... P0446 stands for "Multiple Displacement System Rationality Bank 2". Read the article to know possible causes, symptoms, and descriptions. Descripción del código DTC P0446 Genérico. La válvula de ventilación del Sistema de control de emisiones evaporativas (EVAP) tiene como objetivo sellar la ... When P0446 is triggered, the ECM has detected a short in the circuitry to activate the vent control valve, or the EVAP system failed to maintain the vacuum. Repair: Ford Escape P0446 EVAP Vent Problem. 210K views · 9 years ago ... Ford Code P0455 P0457 - Ford Escape Check Fuel Fill Inlet Message. This DTC checks the EVAP system (Figure 2) for a restricted or blocked vent path. The scan tool being used to check this system is the GM Tech 2. Code P0446, otherwise known as Evaporative Emission Control System (EVAP) Vent Control Circuit Malfunction, indicates that your car's computer ... This code signals an evaporative emission system malfunction. Learn what triggers a code P0446, its symptoms, and how to fix it on your own. 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.