S6 Quattro Sedan V10-5.2L (BXA) (2007)
Knock Sensor: Service and Repair
Knock Sensors
CAUTION!
‹› Fuel system is under high pressure! Before opening high pressure components of the fuel injection system, pressure must be relieved
to residual pressure. Refer to => [ Before Opening High Pressure Fuel Injection System ] See: Fuel Delivery and Air Induction/Fuel
Filter/Fuel Pressure Release/Service and Repair.
‹› Then wrap a clean rag around the connection and relieve residual pressure by carefully loosening the connection.
Installation location, connectors on the front of the engine
7
Knock sensor 4 (G199) (blue connector)
8
Knock Sensor 3 (G198) (white connector)
9
Knock Sensor (KS) 1 (G61) (orange connector)
10
Knock Sensor (KS) 2 (G66) (gray connector)
Installation location, knock sensors on the inside of the cylinder head