Volkswagen Workshop Manuals > Golf Mk5 > Power unit > 6-cylinder injection engine > Fuel supply, gas operation > Repairing fuel supply > Checking fuel pump > Checking non-return valve for fuel pump
1Pc Engine Power Supply Wiring Distribution ECU Fuel Pump Relay #109 fit for VW Audi Seat Skoda 1J0906381A 1008300003|Car Switches & Relays| - AliExpress
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Relays failures
Volkswagen Workshop Manuals > Golf Mk5 > Power unit > Fuel supply system - Petrol engines > Fuel supply, gas operation > Fuel pump > Checking fuel pump > Checking function and