RS 6 V8-4.2L Turbo (BCY) (2003)
Turbo Boost Sensor: Testing and Inspection
Charge Air Pressure Sensor -G31-, testing
Special tools and equipment
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V.A.G 1526 A
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V.A.G 1594 A
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V.A.G 1598/31
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VAS 5051 with VAS 5051/1
Test sequence
Note: Charge Air Pressure Sensor -G31- and its wiring are monitored by engine control unit.
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Connect vehicle diagnostic, test and information system VAS 5051 and select vehicle system "01 - Engine electronics". When doing this ignition
must be on.
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check fault memory of engine control module.
If display shows a malfunction relating to Charge Air Pressure Sensor -G31-