Operation CHARM: Car repair manuals for everyone.

Fuel Pump: Description and Operation

PURPOSE
To supply pressurized fuel from fuel tank to fuel injectors.

Fuel Pump Module:





CONSTRUCTION AND OPERATION
Fuel system is recirculating type with fuel tank mounted across car behind rear seat. Fuel is drawn into an in-tank fuel module which houses fuel pump. A 70 micron filter is incorporated in inlet port of fuel module to prevent entry of dirt. A 400 micron rock filter is included in inlet port of fuel pump for further protection from dirt.

Fuel is pumped from base of fuel tank through flex hose to in-line filter under car and then to fuel rail.

Excess fuel is returned to fuel module through return lines and hoses. A 70 micron filter is fitted to return inlet. Both feed and return ports of fuel module have non-return valves fitted.

Fuel Tank And Pump Module:





LOCATION
Fuel pump is located inside fuel tank.