audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Fuel Pressure Sensor, Checking|Page 6594 > < Fuel Pressure Sensor, Checking|Page 6592
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Fuel Pressure Sensor: Testing and Inspection
Low Fuel Pressure Sensor, Checking

Low Fuel Pressure Sensor, Checking

Special tools, testers and auxiliary items required

‹› Multimeter.

‹› Wiring diagram.

Test requirements

‹› The Fuel Pump (FP) Control Module (J538) OK. 

‹›  The Engine Control Module (ECM) (J623) fuses OK.

‹› The fuel filter OK.

‹› The battery voltage at least 12.5 V.

‹› All electrical consumers switched off (radiator fan must NOT run during test).

‹› A/C switched off.

‹› The fuel tank at least 1/4 filled.

‹› The ignition switched off.

Procedure

-

Remove the intake manifold.  

Checking voltage

‹› The intake has been removed for clarity.

-

Disconnect the Low Fuel Pressure Sensor (G410) electrical harness connector - 8 -.

Fuel Pressure Sensor, Checking|Page 6594 > < Fuel Pressure Sensor, Checking|Page 6592