Re: 95 3L surging
A tune up would probably help if you haven't already done so, including installing new spark plugs. If the wires are OE then they're due for replacement as well. I'd get the vehicle's electrical system load tested to make sure everything is within' spec.
'00 Durango R/T 360ci 290hp (modded); 138,500m
'06 Pontiac G6 GT 3.5L 220hp; 44,000m
'12 Chrysler 200 Limited 3.6L 283hp; 13,000m
'99 Taurus 3.0L 2V Vulcan 145hp; 154,300m - Traded
Amsoil in all vehicles!