dont have enough air flow EGR not working or what

not egr code!possible fuel tank pressure sensor mounted on top of the fuel tank.could be any of the below,causing the code.all these parts located near the fuel tank on the rail,except the cap.Possible causes - Blocked EVAP canister or vent solenoid - Kinked or collasped hose between canister and fuel tank - Faulty Fuel Tank Pressure (FTP) sensor - Fuel filler cap stuck closed, preventing vacuum relief When is the code detected? Engine Control module (ECM) running system monitor and detected excessive vacuum in the fuel tank/EVAP system Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light) P1450 Ford Description The Engine Control module (ECM) monitors the fuel vapor vacuum and pressure in the fuel tank. System failure occurs when the evaporative emission (EVAP) running loss monitor detects excessive fuel tank vacuum with the engine running, but not at idle.engine size?