S5 Quattro Coupe V8-4.2L (CAUA) (2009)
Fuel Pressure: Testing and Inspection
Fuel Pressure and Residual Pressure Before High Pressure Pump, Checking
Fuel Pressure and Residual Pressure before High Pressure Pump, Checking
Special tools, testers and auxiliary items required
‹› Pressure Gauge K-Jetronic (V.A.G 1318)
‹› Pressure Gauge Adapter (V.A.G 1318/10-12)
‹› Connector Test Set (V.A.G 1594C)
‹› Remote Control (V.A.G 1348/3A) with adapter cable (V.A.G 1348/3-3)
‹› Measuring container, fuel-resistant
‹› Protective gloves
Fuel Pressure, Checking:
‹› Battery voltage at least 12.5 Volts.
‹› Fuel filter OK.
‹› Fuel tank at least 1/4 filled.
‹› Fuel Pump (FP) Control Module (J538) OK
‹› Ignition switched off.
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Remove rear seat bench.
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Remove the locking flange cover - arrows -.
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Disconnect electrical harness connector - 1 - at locking flange.