Remove the Fuel Tank by following the procedures for Fuel Tank replacement (Cutaway Van Rear Tank), Fuel Tank replacement (Passenger/Cargo), and Fuel Tank replacement (Cutaway Van Side Tank), and then replace the Fuel Tank pressure sensor . Begin by taking out the Fuel Pressure Sensor . To replace the Fuel Tank pressure sensor, first, follow the procedures for Fuel Tank replacement (Cutaway Van Rear Tank), Fuel Tank replacement (Passenger/Cargo), and Fuel Tank replacement (Cutaway Van Side Tank) to replace the Fuel Tank, take out the sensor, and reinstall the tank.