A3 Quattro L4-2.0L Turbo (CBFA) (2009)
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Remove the spark plugs using a Spark Plug Removal Tool (3122 B).
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Check compression using Compression Tester (V.A.G 1763) and Adapter (V.A.G 1763/6).
‹› Using tester: => operating instructions.
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Operate starter until tester shows no further pressure increase.
Compression pressure:
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Install spark plugs.
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Install the ignition coils with output stages. See: Powertrain Management/Ignition System/Ignition Coil/Service and Repair
‹› By separating the connections, DTCs are stored to memory. After the test, check the fault memory and erase, if necessary.
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Check the engine control module DTC memory. Refer to => Vehicle Diagnosis, Testing and Information System VAS 5051 in "Guided Fault
Finding".
