LEMON Manuals: Even more car manuals for everyone
Home >> Peugeot >> 1987 >> 505 STX, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - BOSCH LH >> Description >> Fuel Pump Relay

Fuel Pump Relay

The fuel pump relay supplies power to the fuel pump. It is controlled by the ECU. When the ECU supplies power to the coil side of the relay, the circuit closes, allowing current to flow to the fuel pump.