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Valve Clearance > < Compression Check|Specifications
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Compression Check: Testing and Inspection

Test requirements 
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Engine oil temperature at least 30°C (86°F) 

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Battery fully charged

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Disconnect harness connectors from all 6 fuel injectors.

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Disconnect 5-pin harness connector from power output stage of ignition coils.

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Open throttle fully.

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Use VAG1381 or VAG1763 compression tester to check compression.

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Operate starter until pressure reading on tester no longer rises.

Compression pressure 

Valve Clearance > < Compression Check|Specifications