audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Fuel Pump Delivery Quantity, Checking|Page 3759 > < Fuel Pressure|Specifications
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Fuel Pressure: Testing and Inspection
Fuel Pump Delivery Quantity, Checking

Fuel Pump Delivery Quantity, Checking

Special tools, testers and auxiliary items required

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Hand held remote control (jumper).

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Multimeter.

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Electrical connector test lead set.

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Fuel pressure test set (high pressure).

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Measuring container, fuel-resistant.

Test conditions

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Fuse S228 (position 28) OK

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Fuel Pump (FP) Relay J17 OK.

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Battery voltage 12.5 V

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Fuel filter OK

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Fuel tank at least 1 / 4 filled.

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Fuel pressure regulator OK.

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Ignition switched off.

Test sequence

CAUTION:  Wear protective gloves.

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Remove right locking flange cover - arrows -.

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Disconnect the electrical harness connector - 1 - from the fuel delivery unit.

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Connect a Hand held remote control (jumper) to terminal - 1 - of the fuel delivery unit and to vehicle battery (+).

Fuel Pump Delivery Quantity, Checking|Page 3759 > < Fuel Pressure|Specifications