Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSAUDI2004A8REPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMFUEL SUPPLY SYSTEM20 - FUEL SUPPLYFUEL DELIVERY UNIT WITH FUEL PUMP AND FUEL LEVEL SENSORTRANSFER FUEL PUMP (FP) G6 (LEFT), CHECKING ELECTRICALNOTES

2004 Audi A8

Transfer Fuel Pump (FP) G6 (left), checking electrical: Notes

2004 Audi A8SECTION Notes

Fig 1: Identifying Special Tools - Transfer Fuel Pump (FP) G6 (Left), Checking Electrical

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Special tools, testers and auxiliary items required

Remote control V.A.G 1348/3A with adapter cable V.A.G 1348/3-2
Portable multimeter V.A.G 1526C
Connector test set V.A.G 1594C
Vehicle Diagnosis, Testing and Information System VAS 5051 with inductive pickup (50 A) VAS 5051/9

Work procedure

Vehicles of model year 2003:

Fig 2: Relay And Fuse Carrier At Right Of Rear Compartment

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Fuse 10 on fuse panel SF10 (in relay and fuse panel in right of luggage compartment) O.K.

Vehicles as of model year 2004:

Fig 3: Identifying Fuse Panel In Right Of Luggage Compartment

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Fuse 2 on fuse panel SF2 (in relay and fuse panel in right of luggage compartment) O.K.

All:

Fig 4: Identifying Fuse Panel In Right Of Luggage Compartment

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Fuel Pump (FP) 2 Relay J49 O.K. (on relay and fuse panel in right of luggage compartment, Socket 3).
Battery voltage min. 12.5 V
Fuel filter OK.
Ignition switched off.

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.