Ok, is or was the engine light on if it was were codes read if so do you have them and if so post them I will be better able to help. With that year just about anything that goes wrong with the engine and the transmission will turn the engine light on.
Also, have the plug boots checked, if they are cracked or damaged they can cause your problem and since it does get worse during wet weather that is a possibility.
There are just so many things that can cause your problem.
Plugs, wires, coil, vacuum leaks, egr valve, bad engine mounts, low or no cylinder compression, valves, so as you can see if the engine light is on or was on the code will help track down the problem.
Monday, January 4th, 2010 AT 9:02 PM