A5 Quattro Coupe V6-3.2L (CALA) (2009)
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Remove the engine cover with air filter. Refer to appropriate service information.
‹› Before disconnecting the Knock Sensor electrical harness connectors, mark the component location.
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Disconnect the Knock Sensor (KS) 2 (G66) electrical harness connector- 5 -.
Checking internal resistance
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Using a multimeter, check the Knock Sensor (KS) 2 (G66) terminals 1 to 2 for an internal short.
