Test Sequence
- Engine oil temperature at least 30 °C (86 °F).
- Battery voltage at least 12.7 V.
-- Remove the ignition coils. Refer to IGNITION COILS WITH POWER OUTPUT STAGES, REMOVING AND INSTALLING .
-- Disconnect the connectors:
- For the FSI Fuel Injectors in the Cylinder Head
- For the MPI Fuel Injectors in the Intake Manifold
-- Remove the ignition coils with power output stages. Refer to IGNITION COILS WITH POWER OUTPUT STAGES, REMOVING AND INSTALLING .
-- Remove the spark plugs with the : 3122B .
-- Install the : VAG1763/13 as shown in the respective spark plug hole and connect the : VAG1763 .
-- Check the compression using the : VAG1763 . Refer to the Operating instructions.
-- Press the accelerator pedal down all the way and operate the starter long enough until the tester no longer indicates an increase in pressure.
-- Repeat the procedure on each cylinder.
| Compression Pressure | Pressure |
|---|---|
| New | 11 to 14 bar (159.54 to 203.05 psi) |
| Wear limit | 7.0 bar (101.52 psi) |
| Maximum difference between cylinders | 3.0 bar (43.5 psi) |