Originally Posted by
channelsurfer
I thought about a bad electrical connection and tried moving all the wires before I replaced the coil. a new coil seems to work every time, maybe there is a voltage issue, not sure? Is there any way I can check the harness without going to the dealer?
take one of the "bad" cops and put it on another cylinder. What controls the spark on these do they have an ignition module or is it in the pcm?