Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › knock sensor and spark plugs gap › Re: knock sensor and spark plugs gap November 3, 2012 at 4:08 am #473770 EricTheCarGuyKeymaster That really shouldn’t cause a knock sensor code. Be sure to check the wiring when you do your testing, for some reason I often see wiring issues with knock sensors cause problems.