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 or 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.