Fuel Tank Pressure
The scan tool displays in -32.7 to 13.96 mm/Hg or -17.4 to 7.5 (in/H2O). This parameter indicates the pressure/vacuum inside of the fuel tank. A negative value indicates a vacuum. A positive value indicates a pressure.The scan tool displays 0-5.0 Volts. The scan tool displays in voltage the pressure inside of the fuel tank.