Empowering Drivers A Comprehensive Guide to the PO446 Code

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 ... Code P0446 means the car's computer has detected a problem with the EVAP system vent valve. The EVAP system is primarily composed of the gas tank, gas cap, ... This diagnostic trouble code (DTC) is a generic OBD-II powertrain code. It is considered generic because it applies to all makes and models of vehicles (1996- ... Make sure the hose is good and clear. Basically, the code sets when the tank pressure sensor sees a vacuum when the purge is opened to manifold ... P0446 indicates an Evaporative Emission Control (EVAP) system vent control circuit malfunction. Typically, this indicates a faulty vent valve. 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). P0446 Evaporative Emission Control System Vent Control malfunction. ... okay I got this same code recently and have not been able to figure ... DTC P0446 or P1450 indicates that Self-Test has detected the Evaporative Emission Control System has excessive fuel tank vacuum. 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. 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.