Quote:
Originally Posted by jamesm
mine happens the instant you tip into the throttle. if i open the throttle ever so slightly and ease into it before stabbing the throttle to the floor it doesn't knock, and never at any point other than after that initial tip in if it does. it always at least begins while the manifold is still under vacuum.
i'll try to find a log that illustrates it clearly and post it.
|
It's possible you're being mislead by the pure nature of what causes tip-in det. The MAP sensor may be lying to you. You may not be in vacuum at all!