Demystifying the P0446 Code Causes, Symptoms, and Solutions

The symptom from my understanding was some fuel leakage on the floor when filling up and/or the inability to put gas in the truck without the pump shutting off ... The P0446 DTC is telling you that there is an electrical circuit problem with the vent solenoid. That means it could be the solenoid, it's connector, its power ... 4) Take an air compressor and blow the vent valve out. 5) reinstall and clear the code and it's fixed. Now I know the updated part from gm is ... With a P0446 OBD-II trouble code, here are some things to try: Replace Vent valve, Repair open, short, or resistance problem in control circuit, Repair open, ... Code P0446 help! ... Hello guys i know the rules about use the search button but can find anything. Well my problem is that im having P0446 code ... P0446 is a BLOCKAGE in the EVAP system. My guess is the vent valve on the charcoal canister is bad. It means the vacuum in the tank is too high. P0446 Evaporative Emission Control System Vent Control malfunction. ... My car has been throwing this code for awhile, and i can't figure out why. And P0446 means the vent valve/circuit for the EVAP system is malfunctioning. Tester. It_s-Me October 31, 2022, 11:48am 4. Chased around a P0446 code for a week and finally fixed it today. 1. Replaced gas cap - code came back 2. Replaced Vent valve - $30 - code came back 3. Took ... I've had this P0446 Evap code that keeps popping up, and it's been difficult to fill up the tank without the nozzle clicking off several times.