Operation CHARM: Car repair manuals for everyone.

Fuel Heater: Description and Operation

FUEL CONDITIONING MODULE
The fuel conditioning module.
- a fuel filter and water separator to protect the fuel injectors.
- fuel heater and recirculation for improved cold starting.
- pressure regulator.
- frame-mounted in-line fuel pump which provides pressurized fuel to the engine and contains a pressure relief valve for overpressure protection in the event of restricted flow.