Ford 2003 Mustang Workshop Manual page 2147

is located in the right front inner fender well.
The fuel vapor control valve tube assembly:
consists of the fuel vapor control valve, fuel vapor vent valve and an in-line fuel tank pressure
sensor.
prevents suspended liquid fuel from being drawn into the evaporative emission canister along
with the fuel vapors.
returns the liquid to the fuel tank.
includes a fresh air transfer tube routing fresh air between the canister vent solenoid hose and
the fuel tank filler pipe assembly.
requires two grommets to seal the fuel vapor control valve and fuel vapor vent valve to the fuel
tank.
The evaporative emission (EVAP) system monitor:
is a self-test strategy within the PCM, which tests the integrity of the EVAP system.
monitors the EVAP system for leaks.
monitors electronic EVAP components for irrationally high or low voltages.
monitors for correct EVAP system operation.
utilizes intake manifold vacuum to test the EVAP system and involves several stages.
The evaporative emission (EVAP) test port:
is used to connect the Evaporative Emission System Leak Tester to the EVAP system.
is located on the EVAP canister purge outlet tube near the EVAP canister purge valve.