New Beetle L4-2.0L (AVH) (2005)
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Remove engine cover.
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Disconnect connector from ignition coils with output stages - arrow -.
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Disconnect connectors from outer injectors.
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Disconnect spark plug connectors with assembly tool T10112.
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Remove spark plugs with spark plug wrench 3122B.
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Check compression with compression tester V.A.G1763 and adapter V.A.G1763/6.
Note:
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Using the compression tester Operating instructions.
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Have a second technician operate starter (for vehicles with a throttle cable, also push down accelerator pedal completely).
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Operate starter until tester shows no further pressure increase.
Compression pressures
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New: 10 to 13 bar
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Wear limit: 7.5 bar
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Permissible difference between all cylinders: 3 bar
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Read Diagnostic Trouble Code (DTC) memory of engine control module, correct faults and then erase DTC memory.