Originally Posted by pfogle

I would replace the distributor cap, I have had brand new ones cause the problems you are describing. It may look alright per a visual inspection but, can indeed be bad. I would replace it and the rotor with an expensive set from napa, as they seem to be the best. I have learned that it does not pay to go the cheap route on ignition/electrical parts. I would also check to make sure your brake booster isn't leaking, and make sure all the vaccum lines on the engine are ain good shape. I had a few that I thought were good until I went to pull them off to check them, and they crumbled.