Quote:Hey Joe,
Do you by chance have a slightly larger cam in this vehicle? If all your components are good and it is a tuning thing, perhaps a play with(dref) the IAT input and perhaps a MAP sensor input voltage --even the MAF -TPS may help resolve this issue, just remember that if you play with these it effects the whole range of operation. I have had to do this with "camed up" engines....It`s tricky for sure cause you have to make the confuser think everything is still ok...
If it is unmodified, you will find your problem with what has been mentioned most likely.
Dave
Dave,
Good thought, shows you're thinking...
My car is stock, and has always knocked (the dealer technicians couldn't solve it)... I have been monitoring AFR (via exhaust lambda) and it is not lean... I also been monitoring ignition advance, and it looks normal (does not seem to advance excessively).
I have been following up on the suggestions as time permits (I have a wife and a job), and I do appreciate everyone's suggestions, thanks to all.
Next step is to take care of oil thru PCV and potential knock sensor problem (according to TSB).
I am trying to hook up a scope to record while driving...
Good thought tho... I'll do some research into IAT/MAP/MAF effects.
Thanks,
Joe