Bi-Fuel Systems LPG and CNG

The following information is specific to bi-fuel HEC concerns. For other HEC information, refer to Instrument Panel, Conventional; or, Instrument Panel, Natural Gas Vehicle.

The bi-fuel cluster fuel gauge indication is controlled by the following components:
^ fuel pump module
^ liquid petroleum gas (LPG) sensor
^ compressed natural gas (CNG) fuel tank pressure sensor (FTPS)
^ compuvalve
^ circuitry