A8L Quattro Sedan V8-4.2L (BVJ) (2007)
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End diagnosis and switch ignition off.
If the specified values are not obtained:
Test procedure
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Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Testing and Inspection/Scan Tool Testing
and Procedures/Preliminary Check.
Start diagnosis
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Remove the rear engine cover - arrows -.
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Remove the vacuum lines - 3 - and - 4 - from the air guide hose.
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Disconnect the Mass Air Flow (MAF) Sensor (G70) electrical harness connector - 1 -.
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Loosen the hose clamps - 2 - and - 5 - and remove the air guide hose.
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Disconnect the Throttle Valve Control Module (J338) electrical harness connector - 1 -.
