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International Automotive Technicians Network
Re: GM Knock sensor issues
Posted to Technical Tips Forum on 10/6/2023

YES!!!! we had a 2002 GMC Sierra 1500HD with a 6.0 that we found out the hard way that the new knock sensors we installed were defective. Vehicle came in originally for an SES lamp, had DTC stored for the #2 knock sensor (rear mounted). The sensor had excessiv... Login to read more.