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3 Posts
I recently replaced the spark plugs, and spark plug wires on my 98 GT due to the engine misfiring. I wasn't too worried as my Mustang has 138,000 miles on it and I figured the original spark plugs or spark plug wires had finally failed.
However, after using my timing light its clear that Cylinders #1, #3, #6 are still constantly misfiring. This problem only appears to occur at idle or low RPM's. I've searched the forums and looked through my Haynes Mustang Manual and I still can't come to a conclusion of what could be causing the problem. Could it be a faulty IAC or a fauly coil pack? I've taken it to the local repair shop and paid them $95 to tell me that they can't fix anything until something fails. So I'm left to my own resources. Any help or info on this would be greatly appreciated.
However, after using my timing light its clear that Cylinders #1, #3, #6 are still constantly misfiring. This problem only appears to occur at idle or low RPM's. I've searched the forums and looked through my Haynes Mustang Manual and I still can't come to a conclusion of what could be causing the problem. Could it be a faulty IAC or a fauly coil pack? I've taken it to the local repair shop and paid them $95 to tell me that they can't fix anything until something fails. So I'm left to my own resources. Any help or info on this would be greatly appreciated.
