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Getting A Knock Light, Need Some Knock Sensor Help


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explain how this system works. I understand what knock is and what the sensor does, but didnt know something lights up like on the dash to indicate knock, just thought the ecu checks for it and lets light knock occur sometimes. And what does an after market one do/ newer one?

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yes your car has 2 of those but those are the old style

talk to zizzo and get a set of upgrade sensors which have the wire and sensor as one unit....less chance for it rattling loose or giving false codes

known issue in the 850

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