Here's s reference for what Joe B is talking about :
http://986forum.com/forums/general-discussions/25016-lugging-engine.html
As far as the bucking AT 1500 rpm, I'd recommend going through all of the basic tune-up stuff if it has not been addressed recently: Techron, Plugs, MAF - TB - Intake cleaning, Air Filter.
__________________
I am not an attorney, mechanic, or member of the clergy. Following any advice given in my posts is done at your own peril.
|