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Home >> Audi >> 1998 >> A8 Quattro >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Fuel Supply - 3.7L & 4.2L V8 4V (AEW, ABZ) >> Fuel pump with integrated reservoir, removing and installing >> Fuel pump, checking >> Checking

Fuel pump, checking: Checking

Fig 1: Checking For Voltage Between Connector Terminals 1 (Green) And 4 (Brown)
G02725930

If voltage is OK:

If fuel pump does not run:

Fig 2: Checking For Continuity Between Harness Connector, Connector On Housing, And Fuel Pump
G02725931

If there is no continuity:

If wiring is OK (and fuel pump does not run):