Ok this should be a simple one to answer. Ive got my ole Eman Ult Installed and still havent enable the knock sensor monitoring. Reason being I have no clue what type of sensor it is on the 1j and what freq in khz it is. SOOOOOOOOOOO I need someone to tell me. lol I scoured the net with no luck so blind dumb whatever i may be. I cant find the answer and would reallly like to monitor knock obviously