I came accross this problem yesterday and started searching Google and found this forum. I took the car up to AutoZone and they pulled code P0304 - Cylinder 4 Misfire Detected. I pulled the number four spark plug out and it looks fine --- nothing abnormal looking. Can a good looking spark plug still be bad? Also, does anyone know how I can test the coil pack to see if it's bad? I have never had a distributorless vehicle before. I do have a DMM.
Oh yeah, I have a 96 Avalon.
Oh yeah, I have a 96 Avalon.