thik stik
ECM connections look good. The computer is only a few months old too. Im gonna try to Tape a fp guage to the windshield int he coming week or so...and see whats up. I used the top engine cleaner.....but it didnt help the knock any. Still looking for answers...and now im leaning towards maybe a bad injector or regulator. (o2's drop under steady throttle---from high 700's to high 600's) Thanks for all your help guys