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Porsche
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2012
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911 Targa 4, Automatic DCT Trans
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Repair and Diagnosis
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General Information
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DTC Index -- 911
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DTC P0331: Knock Sensor 2
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Fault effects
Fault effects
If the fault is stored, the ignition timing is retarded for all cylinders affecting this knock sensor in the >knock control active< range.
Knock control adaptation is idle.