The P0445 code indicates that the engine control module recognized a short circuit to the purge control valve. The Purge Control Valve is also called the EVAP valve, and it regulates the fuel vapors ...

Troubleshooting Classic Mustang Climate Control. ... This is the hot water vacuum control valve, ... an external 25-amp circuit breaker for the compressor clutch and a 14-amp fuse for the blower.

Trouble code P0446 stands for an Evaporative Emission Control System (EVAP) Vent Control Circuit Malfunction. This code means that the car’s computer detected trouble with the EVAP system vent valve’s ...