Q7 Quattro V6-3.6L (BHK) (2007)
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Switch the ignition off.
If the specified values are obtained:
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Replace the Low Fuel Pressure Sensor (G410), note the following:
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 Low Fuel Pressure Sensor (G410) electrical harness connector terminals to the Engine Control Module (ECM)
(J623) electrical harness connector T60/T94 terminals for an open circuit according to the wiring diagram.