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SENSOR ASSEMBLY-KNOCK Ignition Knock (Detonation) Sensor
Fits Impreza (2006 - 2010)Knock SensorA failed Knock Sensor will often have no noticeable symptoms beyond a check engine light or engine ping or knock, but it does cause your Subaru to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Subaru genuine parts.
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