Navigator 4WD V8-5.4L DOHC VIN R (2001)
Fuel Tank Pressure Sensor: Service Precautions
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.