Fuel Tank Pressure Sensor (CNG): Description and Operation

The fuel tank pressure sensor:
^ contains integral solid state circuitry that outputs a voltage signal that is proportional to pressure.
^ has an output that is linear from 0 kPa (0 psi) up to 27,579.03 kPa (4000 psi).
^ is located in the upper tank vent box on the upper tank rack.