G424F(FE) Service Manual Chapter 5. Engine Management System (EMS) 132
Dual Fuel System of G424FE (certified engine system)
INPUT OUTPUT
A dual fuel system operates on either LPG or
gasoline. The fuel type can be switched while the
engine is stopped or running at low speeds and low
loads. The fuel selection switch is a three-position
type where the center position is fuel off.
MPI (multi-point injection) system is used for
G424FE dual fuel engine. On gasoline, the camshaft
sensor along with the crankshaft sensor is used to
control the fuel injectors and feedback from oxygen
sensor is used by the SECM to adjust the gasoline
delivery based on the exhaust emissions.
Crank Sensor
Throttle body
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