Update:
I ended up changing plug on the cylinder with the bad COP and replaced the fuel filter as well. My power-loss problem went away. Not sure which fixed it, but the plug needed to be replaced and the gas that poured out from the filter's intake side was filthy.
Alaska Mike
okwalters,
check out the following as well. I recently had a misfire on the #4 cylinder (passenger side- rear plug) of my 99 Eddie Bauer (5.4 litre). I bought an OBD II scanner which diagnosed the problem. It was cheaper than bringing it into the dealer plus I now have the tool for future...
I'm having the same problem with my 99 5.4litre (61,000 miles). I recently had the check engine light come on and the problem was diagnosed as the #4 cylinder coil pack. I replaced the coil and the misfiring went away. Now, a couple of weeks later, we are experiencing the shuddering/lack of...
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