Originally Posted by HarryBallZ
Knock sensors are on the side on the block. They monitor detonation and RETARD the timing in order to get rid of it. They're little safety things in your engine to make sure you don't blow your shit up! Your KR(knock retard) is what is a result of the knock sensors. If you monitor the voltage..... all it will do is just give you a bunch of crazy .058839 to 1.XXXX. Reading that is a way to determine actual knock vs. "Ghost Knock".
wow, thanks... there is so much bout this stuff i have no clue about!!! If i didn't know you, I would think you called me a Knock retard....
Just kidding, thanks that is a great explanation.