Posted for "sqpilot@earthlink" <sqpilot@earthlink.net>:

Hi, Tracy.....If I remove the knock sensor, will I need to plug the hole it came from, and if so, what if I just leave it in place to use it as a plug?  Thank you for your advice, and hope you have a Merry Christmas.  Paul Conner


 > >   Yes, the final picture you sent is indeed a knock sensor.  Remove & toss.