Fuel Tank Pressure Sensor: Service and Repair

NOTE: The inline fuel tank pressure sensor is serviced along with the fuel vapor vent valve and the fuel tank-mounted fuel vapor control valve as a fuel vapor control valve tube assembly.

FUEL VAPOR CONTROL VALVE TUBE ASSEMBLY

REMOVAL
1. Raise and support the vehicle.

WARNING:
^ THE EVAPORATIVE EMISSIONS SYSTEM CONTAINS FUEL VAPOR AND CONDENSED FUEL VAPOR. ALTHOUGH NOT PRESENT IN LARGE QUANTITIES, IT STILL PRESENTS THE DANGER OF EXPLOSION OR FIRE. DISCONNECT THE BATTERY GROUND CABLE FROM THE BATTERY TO MINIMIZE THE POSSIBILITY OF AN ELECTRICAL SPARK OCCURRING, POSSIBLY CAUSING A FIRE OR EXPLOSION IF FUEL VAPOR OR LIQUID FUEL ARE PRESENT IN THE AREA. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.
^ DO NOT SMOKE OR CARRY LIGHTED TOBACCO OR OPEN FLAME OF ANY TYPE WHEN WORKING ON OR NEAR ANY FUEL RELATED COMPONENT. HIGHLY FLAMMABLE MIXTURES ARE ALWAYS PRESENT AND MAY BE IGNITED, RESULTING IN POSSIBLE PERSONAL INJURY. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.
^ THE ELECTRICAL POWER TO THE AIR SUSPENSION SYSTEM MUST BE SHUT OFF PRIOR TO HOISTING, JACKING OR TOWING AN AIR SUSPENSION VEHICLE. THIS CAN BE ACCOMPLISHED BY TURNING OFF THE AIR SUSPENSION SWITCH LOCATED IN THE RH KICK PANEL AREA. FAILURE TO DO SO MAY RESULT IN SHIFTING OF THE VEHICLE DURING THESE OPERATIONS. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.

2. Drain the fuel tank.
3. Remove the fuel tank.







4. Disconnect the connector.







5. Remove the fuel vapor control valve tube assembly.
1 Grasp firmly and apply upward pressure to the fuel vapor vent valve.
2 Push down and rotate counterclockwise, then apply upward pressure to the fuel vapor control valve.

NOTE: The fuel vapor vent valve inline fuel tank pressure sensor or the fuel tank mounted fuel vapor control valve are serviced as a fuel vapor control valve tube assembly.

INSTALLATION







1. Lubricate all O-ring seals with MERPOL(R) O-ring seal lubricant meeting Ford specification ESE-M99B144-B or equivalent.







2. To install, reverse the removal procedure.
3. Leak test the system.
4. Perform the Evaporative Emission Running Loss Monitor Repair Verification Drive Cycle.