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Home >> Mazda >> 1997 >> Millenia Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - 2.5L >> Engine Sensors & Switches >> Knock Sensor

Knock Sensor

Disconnect knock sensor connector. Using ohmmeter, measure resistance between knock sensor terminal "A" (White wire) and knock sensor body. Resistance should be about 560,000 ohms at 68°F (20°C). If resistance is not as specified, replace knock sensor.