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HOMESERVICE MANUALSAUDI1996A4 BASE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)EXTERNAL PAGESDIFFERENT CARSECTION 10 (ENGINE CONTROLS - SYSTEM & COMPONENT TESTING)FUEL SYSTEMFUEL PRESSURE RELEASEA4 & S4
1996 Audi A4 Base, Standard

A4 & S4

1996 Audi A4 Base, StandardSECTION A4 & S4
WARNING: This page is about a different car, the 2001 Audi S4 and 2001 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Loosen fuel filler cap to release pressure in fuel tank. Remove fuel pump relay. Fuel pump relay is located in position 4 of micro-electric center in driver's footwell. See Fig 1 . Start engine. Allow engine to run until it stalls. Turn ignition off. Disconnect negative battery cable. Slight pressure may remain in system. Before disconnecting any fuel system line, cover connector with a clean shop towel. Reinstall fuel pump relay.

Fig 1: Locating Fuel Pump Relay
G00073525Courtesy of AUDI OF AMERICA, INC.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.