Operation CHARM: Car repair manuals for everyone.

Fuel Tank Pressure Sensor: Service and Repair

Removal and Installation

WARNING: 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.

WARNING: The evaporative emission 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 fuel liquid is present in the area. Failure to follow these instructions may result in personal injury.


1. Disconnect the battery. Refer to BATTERY DISCONNECT.
2. Remove the rear seat assembly. Refer to REAR SEAT BACKREST-BENCH.




3. Remove the fuel tank sending unit access cover.




4. Disconnect the fuel tank pressure sensor electrical connector.




5. Remove the fuel tank pressure sensor.
1. Disconnect the vapor tubes.

NOTE: Lubricate all O-ring seals with MERPOL O-Ring Seal Lubricant.

6. To install, reverse the removal procedure.
1. Carry out a leak test. Refer to EVAPORATIVE EMISSION SYSTEM LEAK TEST.
2. Carry out the evaporative emission repair verification drive cycle. Refer to EVAPORATIVE EMISSION REPAIR VERIFICATION DRIVE CYCLE.