Maximize Fuel Economy with the Cutting-Edge PO446

My vehicle: 2004 Suburban 2500 LT, 4x4, 8.1L engine, Whipple supercharger. Bought from original owner with 208000 miles. The code reads Evaporative Emission Control System Vent Control Circuit Malfunction, but I've come to believe that any of the EVAP codes can be a result of the ... Disclaimer: Under no circumstances will proclaimliberty2000 be responsible or liable in any way for any content, including but not limited ... 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, ... I have the PO446 and the gas cap seems ok, did the purge and vent valve…it keeps costing, the car has a rejection inspection sticker…need car ... 2007-2010 owners out there that might currently be experiencing the dreaded P0449, or P0445 (with tighten gas cap on the DIC) codes. I am also throwing a po446 code in my 98 c230 143000 miles gas cap in tact no issue there/have just replaced plugs and wires and coils for a ... The code - P0446: EVAP Emission System vent control circuit. This can get triggered due to a bad connection, faulty canister close valve. Problems/Service/Repairs - PO446 Error Code - I know that this code is an emissions venting problem that can be associated with the gas cap, ... I have a code p0446 for evap solenoid which is the solenoid mounted on the intake. does the code mean something is wrong with the solenoid itself?