Overview - Ignition System
WARNING: This page is about a different car, the 2021 Audi S8, 2021 Audi A8 Quattro, 2020 Audi S8, 2020 Audi A8 Quattro, and 2019 Audi A8 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
- O-Ring
- Replace if damaged or leaking
- Camshaft Position Sensor 3 -G300-
- Exhaust side
- Removing and installing. Refer to CAMSHAFT POSITION SENSOR, REMOVING AND INSTALLING .
- Bolt
- 9 Nm
- Bolt
- 23 Nm
- Tightening specifications affect the function of the knock sensor
- Knock Sensor 1 -G61-
- Removing and installing. Refer to Knock Sensor 1 -G61-, REMOVING AND INSTALLING .
- Bolt
- 23 Nm
- Tightening specifications affect the function of the knock sensor
- Knock Sensor 2 -G66-
- Removing and installing. Refer to Knock Sensor 1 -G61-, REMOVING AND INSTALLING .
- O-Ring
- Replace if damaged or leaking
- Camshaft Position Sensor -G40-
- Intake side
- Removing and installing. Refer to CAMSHAFT POSITION SENSOR, REMOVING AND INSTALLING .
- Bolt
- 9 Nm
- Spark Plug
- Tightening specification. Refer to SPARK PLUGS, REPLACING .
- Replacement interval. Refer to 03 MAINTENANCE, DIAGNOSIS (2019) , 03 MAINTENANCE, DIAGNOSIS (2020) or 03 MAINTENANCE, DIAGNOSIS (2021) .
- Spark Plug Connectors
- Installation position. Refer to IGNITION COILS, REMOVING AND INSTALLING .
- Ignition Coil
- Ignition Coil 1 with Power Output Stage -N70-
- Ignition Coil 2 with Power Output Stage -N127-
- Ignition Coil 3 with Power Output Stage -N291-
- Ignition Coil 4 with Power Output Stage -N292-
- Ignition Coil 5 with Power Output Stage -N323-
- Ignition Coil 6 with Power Output Stage -N324-
- Ignition Coil 7 with Power Output Stage -N325-
- Ignition Coil 8 with Power Output Stage -N326-
- Removing and installing. Refer to IGNITION COILS, REMOVING AND INSTALLING .
- Bolt
- 9 Nm
- O-Ring
- Replace if damaged or leaking
- O-Ring
- Replace if damaged or leaking
- Engine Speed Sensor -G28-
- Removing and Installing. Refer to Engine Speed Sensor -G28-, REMOVING AND INSTALLING .
- After replacing perform the "0001 - mechanical engine, functions" listed adaptation using the Vehicle Diagnostic Tester.
- Bolt
- 9 Nm
- O-Ring
- Replace if damaged or leaking
- Camshaft Position Sensor 2 -G163-
- Intake side
- Removing and installing. Refer to CAMSHAFT POSITION SENSOR, REMOVING AND INSTALLING .
- Bolt
- 9 Nm
- Knock Sensor 4 -G199-
- Removing and installing. Refer to Knock Sensor 1 -G61-, REMOVING AND INSTALLING .
- Bolt
- 23 Nm
- Tightening specifications affect the function of the knock sensor
- Bolt
- 23 Nm
- Tightening specifications affect the function of the knock sensor
- Knock Sensor 3 -G198-
- Bolt
- 9 Nm
- Camshaft Position Sensor 4 -G301-
- Exhaust side
- Removing and installing. Refer to CAMSHAFT POSITION SENSOR, REMOVING AND INSTALLING .
- O-Ring
- Replace if damaged or leaking