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Home >> Peugeot >> 1987 >> 505 STX, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - BOSCH LH >> Description >> Fuel System

Fuel System

The fuel system consists of a fuel tank, a fuel pump, fuel lines, filter, and a line pressure regulator. Fuel is supplied to each injector at a constant pressure. Only fuel injection duration is varied, meeting changing engine requirements.

The fuel pump is an electrically operated vane pump. Fuel is strained through a mesh screen before entering fuel pump. There is a check valve on outlet side of pump to prevent fuel supply from draining back into tank.