Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Ignition Assembly Overview
2009 Audi A6 BaseSECTION Ignition Assembly Overview
WARNING: This page is about a different car, the 2011 Audi S6, 2010 Audi S6, 2009 Audi S6, 2008 Audi S6, and 2007 Audi S6. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition coil connector
- 4-pin
- Bolt
- 10 Nm
- 3-pin connector
- Camshaft Position (CMP) sensor
- Camshaft position sensor -G40- cylinder bank 1
- Camshaft position sensor 3 -G300- cylinder bank 1
- Camshaft position sensor 2 -G163- cylinder bank 2
- Camshaft position sensor 4 -G301- cylinder bank 2
- O-ring
- Replace if damaged
- Coat with clean engine oil.
- Bolt
- 20 Nm
- Tightening specifications affect function of Knock Sensor (KS)
- Knock sensors
- Contact surfaces between knock sensor and cylinder block must be free of corrosion, dirt and grease
- Knock sensor (KS) 1 -G61- cylinder bank 1
- Knock sensor (KS) 2 -G66- cylinder bank 1
- Knock sensor (KS) 3 -G198- cylinder bank 2
- Knock sensor (KS) 4 -G199- cylinder bank 2
- Removing and installing. Refer to Knock Sensors
- Spark plug
- Removing and installing with the spark plug removal tool -3122 B-.
- 30 Nm
- 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 with Power Output Stages .
- To remove, use the ignition coil puller -T40039-
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.