P0446 Code The Ultimate DIY Guide to Diagnosis and Repair

... po446, s10, system, trouble, truoble, vent · Subscribe. Related Topics. Blocked Up Evap Lines · Upper Air Vent Blocked? 2005 blazer 2 door / ... The P0446 means that the evap vent valve isn't responding properly, so either it's stuck open or stuck closed. It is most likely the valve in a line coming out of the gas tank. But they'd have to diagnose to know for sure, ie, supply power to the valve to see if it ... After a little research...looks like maybe the gas cap not on correctly...hopefully it is that simple anyway...will try that tonight, but any other advice will be ... Corroded wire causing a check engine light with code P0446 and hard refueling. P0446 indicates an Evaporative Emission Control (EVAP) system vent control circuit malfunction. Typically, this indicates a faulty vent valve. My engine light came on for this problem (P0446) Evaporative Emission System Vent Control Circuit... additionally i cant seem to pump more that about $.35 worth ... Hey Andres, I understand you have fault codes P0446, P0453 and P0463. These faults would most likely indicate the vent solenoid is faulty. I would also ... 2004 - 2008 Ford F150 - P0446 Where do I start - I just bought an 06 F150 5.4 I keep getting code P0446 it is a hard code even when I clear ... P0446 is a diagnostic trouble code (DTC) for "Evaporative Emission Control System Vent Control Circuit Malfunction". This can happen for multiple reasons.