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How do you check a knock sensor?

Updated: 10/20/2022
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15y ago

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remove the sensor, backprobe the plug with a multimeter set on voltage, tap the knock sensor lightly with a spanner, you should see voltage respond by increasing whenever you tap it, this means your knock sensor is working correctly. if it does not move however it means that the sensor is faulty.

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Q: How do you check a knock sensor?
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