A4 Quattro Wagon L4-2.0L Turbo (BPG) (2005)
requirements.
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Check the following wire connection for open circuit and short circuit to Ground (GND) and B+:
Harness connector Terminal
Test box V.A.G 1598/42 Socket
- 5 -
B 27
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Repair wiring open circuit or short circuit according to wiring diagram.
If no malfunctions are detected:
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Replace Fuel Pump (FP) Control Module J538.