F 450 2WD Super Duty V10-6.8L VIN S (1999)
Leak Detection Sensor: Service and Repair
REMOVAL
1. Remove the fuel tank.
2. Remove the fuel tank pressure sensor.
^
Disconnect the electrical connector.
^
Press down and rotate the fuel tank pressure sensor counterclockwise and remove it from the fuel tank.
CAUTION: The fuel tank pressure sensor must be disengaged from the fuel tank before it can be removed. Push down while rotating the sensor
counterclockwise to disengage it from the fuel tank. Failure to do so can cause damage to the fuel tank pressure sensor or the fuel tank.
INSTALLATION
1. Follow the removal procedure in reverse order.
2. Leak Test the system. See: Emission Control Systems/Evaporative Emissions System/Testing and Inspection/Component Tests and General
Diagnostics/EVAP System Leak Test
3. Perform the Evaporative Emission Running Loss Monitor Repair Verification Drive Cycle Test.
