S5 Quattro Coupe V8-4.2L (CAUA) (2009)
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Switch the ignition off.
If the specified values are obtained:
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Replace the Fuel Pressure Sensor (G247).
If the specified values are not obtained:
Checking wiring
If the manufacturers test box is being used, perform the following step.
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Install the test box.
If the manufacturers test box is not being used, perform the following step.
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Remove the Engine Control Module (ECM) (J623). Refer to => [ Engine Control Module, Replacing ] See: Computers and Control
Systems/Engine Control Module/Service and Repair/Engine Control Module, Replacing.
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Using a Multimeter, check the Fuel Pressure Sensor (G247) electrical harness connector terminals to the Engine Control Module (ECM) (J623)
electrical harness connector T60 terminals for resistance.