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Home >> Mazda >> 1989 >> 323 Base, 2D Hatchback, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Theory/Operation - 4-CYL >> Computerized Engine Controls >> Input Devices - Electronic Fuel Injection >> Knock Sensor (Turbo Only)

Knock Sensor (Turbo Only)

Sends signal to knock control unit which retards ignition timing when knocking occurs. On MX-6 Turbo and 626 Turbo, knock control unit reduces turbocharger boost pressure under knock condition.