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International Automotive Technicians Network
Re: GM Knock sensor issues
Posted to Technical Tips Forum on 10/10/2023 15 Replies

Don, you can easily bench test them using the information that GM has on their diagnostic flow chart:

Connect the DMM between the affected KS signal circuit on the sensor side and a good ground. Set the DMM to the 400 mV AC hertz scale. Refer to Measur... Login to read more.

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