Fuel Systems: Notes

The bi-fuel systems consist of CNG or LPG fuel tanks, fuel filter, an LPG vaporizer, a CNG high pressure regulator, a combined metering valve and sensor assembly (compuvalve), fuel shutoff solenoids (LPG), an Alternative Fuel Control Module (AFCM), a manual fuel shutoff valve (on Contour CNG), a fuel distribution supply manifold and fuel supply lines (on Contour), an adjustable tuning tee (on F-Series), fuel rails, fuel injector sleeves (on F-Series), an ALT/GAS switch and ALT/GAS switch light, and an ALT fuel relay module.