P0446 Code A Simplified Guide to EVAP Vent Control Circuit Malfunction Diagnosis

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 ... ... po446, s10, system, trouble, truoble, vent · Subscribe. Related Topics. Blocked Up Evap Lines · Upper Air Vent Blocked? 2005 blazer 2 door / ... 2007-2010 owners out there that might currently be experiencing the dreaded P0449, or P0445 (with tighten gas cap on the DIC) codes. Videos are for Knowledge & Entertainment purposes only. Due to factors beyond the control of RB The Mechanic, it cannot guarantee against ... The P0446 fault code stands for Evaporative Emission Control (EVAP) system vent control circuit malfunction. Put in simpler terms, this code ... Best way to test the purge valve is either a smoke machine to see if it' stuck open or to disconnect the line from the canister to the purge valve and place a ... 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, ... The PO446 code could be one of many things, including the charcoal canister itself, the VSV attached to the canister, or the vacuum valve up underneath the ... Can anyone let me know if the severity level is an indicator of a specific part of the evap system. Why does it show ? 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.