Fuel Pump: Description and Operation
PURPOSETo 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.