audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Fuel Pressure and Residual Pressure Before High Pressure Pump, Checking|Page 2947 > < Fuel Pressure and Residual Pressure Before High Pressure Pump, Checking|Page 2945
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Fuel Pressure: Testing and Inspection
Fuel Pump (FP) Delivery Quantity, Checking

Fuel Pump (FP) Delivery Quantity, Checking

Special tools, testers and auxiliary items required

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Hand held remote control (jumper).

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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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Battery voltage min. 12.5 V.

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Fuel filter OK.

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Fuse S228 (position 28) OK.

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Fuel Pump (FP) Control Module J538 OK.

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Fuel tank at least 1 / 4 filled.

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Ignition switched off.

Test sequence

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Remove the rear seat bench.

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Remove the screws - arrows - and the right locking flange.

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Remove the wiring harness and the electrical harness connector - arrow - from locking flange opening and position aside.

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Disconnect fuel delivery unit electrical harness connector - arrow -.

Fuel Pressure and Residual Pressure Before High Pressure Pump, Checking|Page 2947 > < Fuel Pressure and Residual Pressure Before High Pressure Pump, Checking|Page 2945