how to replace knock sensor on 2001 gmc yukon?

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where is the knock sensoe located on 2001 gmc yukon

tc1957 in San Bernardino CA

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Jan 17, 2017

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2 Replies

Popular Answer
pushrodon Jan 17, 2017

Common failure on these LS engines due to water intrusion! .. Below is a link to a video showing it being done: https://youtu.be/9kcLNY13ryE As you will see in the video, there are two knock sensors UNDER the *intake manifold*.. Use ACDelco parts only!

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Ultimate Performanceon Jan 17, 2017

Hi TC1957: The KS is found on either right side or left side on engine block sometimes there's two of them. There are a number of reasons why you would get a KS code that said my encouragement would be to take your vehicle to a certified shop to confirm what the problem may be. Hope it all works out for you. Sincerely Ultimate Performance Team

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