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Home >> Audi >> 1987 >> 5000 CS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Digital Control System - Turbo & QUATTRO >> Operation >> Fuel Control >> Fuel Pump & Relay
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Fuel Pump & Relay

The fuel pump assembly, located in fuel tank, is equipped with a pressure damper at the suction end. Fuel pump is activated during start-up and when engine is running. Fuel pump relay switches off fuel pump in absence of signal from ECU and provides voltage for cold start valve.