Test Sequence
WARNING: This page is about a different car, the 2018 Audi Q3 Quattro, 2018 Audi Q3, 2017 Audi Q3 Quattro, and 2017 Audi Q3. However, it is still accessible from the selected car via links, so may be relevant.
- 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) |