Quote Originally Posted by fallowfield
One othger thing - yesterday morning I drove for 60 miles in unusually cold conditions for this time of year (about 45 f) and it the problem was gone! Today it is about 65 and the problem is there after a shrot time at highway speeds.
i'd scan the motor, and if nothing showed up i'd move on to the IGN. , things that dont show up on a scan, plugs, wires, etc.