Alternative Fuel Control Module
WARNING: This page is about a different car, the 2002 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The Alternative Fuel Control Module (AFCM) is part of the compuvalve assembly. See COMPUVALVE .
AFCM allows communication between compuvalve components and PCM. AFCM communicates desired ALT or GAS operating mode to PCM. AFCM shares information with PCM and assists in trouble shooting the bi-fuel system. If operating conditions are satisfactory and ALT/GAS fuel switch on dash is in ALT mode position, the compuvalve will signal PCM to turn gasoline fuel injectors off. If operating vehicle in ALT mode and alternative fuel source drops below a specified amount, AFCM will signal PCM to turn gasoline fuel injectors on. When this occurs, compuvalve will shut off alternative fuel supply, allowing alternative fuel and gasoline fuel systems to switch smoothly.