Compression Check: Testing and Inspection

Compression, checking

Test conditions
^ Engine oil temperature at least 30°C
^ Battery fully charged

^ Disconnect harness connectors from all 6 fuel injectors.
^ Disconnect 5-pin harness connector from power output stage of ignition coils.
^ Open throttle fully.
^ Use VAG1381 or VAG1763 compression tester to check compression.
^ Operate starter until no further pressure increases are indicated by VAG1381 or VAG1763 compression tester.





Compression pressure