Rick's Free Auto Repair Advice

Posts Tagged: FTP

P0442 P0455 P0456 Ford

Fix code P0442 P0455 P0456 Enhanced Evaporative Emissions on Ford Vehicles Understanding how this system works helps you to diagnose those dreaded EVAP leak codes. So buckle up and I’ll try to make this as painless as possible. System Components The system uses two solenoids and a pressure sensor. One sensor is called the Vapor Management Valve (VMV). The other is called the Canister Vent Solenoid (CV). The sensor is referred to as the Fuel Tank Pressure Sensor (FTP). The VMV is normally in the CLOSED position. It has 3 … Read More


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