P0446 Code A Complete Guide to Understanding and Resolving EVAP Vent Control Circuit Problems

I have a 2017 Chevy Silverado and yesterday my check engine light turned on, code PO446 appeared. How could I fix this? Let's have a look at this Chevrolet Cobalt that came with a code P0446 for the EVAP Vent Solenoid Performance. I keep getting code po 446 on my 2003 Silverado. I have read that it could be the vent control valve. Any ideas? Come along with Eric & Ivan in this diagnosis as Ivan double checks Eric's original diagnosis on this 2008 Ford Escape 3.0 AWD. The P0446 fault code stands for Evaporative Emission Control (EVAP) system vent control circuit malfunction. Put in simpler terms, this code ... You might not have a leak, but rather a constriction in the system. It could be a defective vent solenoid, a plugged canister, etc. Read this ... 2007-2010 owners out there that might currently be experiencing the dreaded P0449, or P0445 (with tighten gas cap on the DIC) codes. A damaged EVAP canister vent solenoid valve--Refer to Evaporative Emission Canister Vent Solenoid Valve Replacement . ... A damaged EVAP canister ... ... po446, pressure, sensor, tank · Subscribe. Related Topics. evap code p0446....?helpppp and opinions? throwing code p0446 · p0446 evap canister ... DTC P0446 Evaporative Emission Vent System Performance How to fix P0446 EVAP Vent system performance code on a GM or Chevy truck.