I have a MY2000 bought at 9K miles, now have 35K miles. Recently I noticed a flat spot around 4K and once at 7K. There is no consistency I can't make it it do it. When it does happen it seems to be when I'm not hard on the throttle. Any Ideas?

 

post this up in the "under the hood" section of this board-

could be the map sensor in need of a tap or adjustment