S5 Quattro Coupe V8-4.2L (CAUA) (2009)
-
Switch the ignition off.
If the specified values are obtained:
-
Replace the Low Fuel Pressure Sensor (G410).
If the specified values are not obtained:
Checking wiring
If the manufacturers test box is being used, perform the following step.
-
Install the test box.
If the manufacturers test box is not being used, perform the following step.
-
Remove the Engine Control Module (ECM) (J623). Refer to => [ Engine Control Module, Replacing ] See: Engine Control Module/Service and
Repair/Engine Control Module, Replacing.
-
Using a Multimeter, check the Low Fuel Pressure Sensor (G410) electrical harness connector terminals to the Engine Control Module (ECM)
(J623) electrical harness connector T94 terminals for resistance.