Fuel is a professional term in the auto parts industry. It is one of the basic components of the fuel injection system, located inside the vehicle tank, when the engine stops and the ignition switch is still on, if the engine stops, HFM-SFI control module closes fuel power supply to avoid accidental ignition.
Fuel function is to pump fuel from ran you xiang to oil supply to fuel oil, and fuel pressure regulator to establish a certain fuel pressure.
Adapter Model:   FOIR00S187 ZHONG HUA FRV/FSV