I ran a smoke test and found that the vapor canister had a leak at the seem. I put sealer on the seem and solved the problem no more po446 code!
Truck not getting fuel
Trouble code P0446 means: Evaporative Emission System Vent Control Circuit
Trouble code P0446 means: Evaporative Emission System Vent Control Circuit
code p 0446
Trouble code P0446 means: Evaporative Emission System Vent Control Circuit
Trouble code P0446 means: Evaporative Emission System Vent Control Circuit
evaporative emission control system ,vent system performance code p0446
Trouble code P0446 means:Evaporative emission control system vent control circuit malfunction
Trouble code P0446 means: Evaporative Emission System Vent Control Circuit
Repair the problem that turned it on and then clear the code with an OBD2 scanner/code reader
You read the codes with a scanner, repair the cause, and clear the code with the scanner.
Trouble code P0441 means: Evaporative Emission System Incorrect Purge Flow Trouble code P0446 means: Evaporative Emission System Vent Control Circuit
Trouble code P0446 means: Evaporative Emission System Vent Control Circuit