I've the above vehicle - 6 cyl - with 121,000 miles. Had the plugs replaced about 1.5 years ago or 10,000 miles with tuneup. Shop didn't replace wires at the time. Getting codes now and extreme misses when excellerating to highway speeds. Once the speed is up to where you want it, the vehicle runs fine. It's throwing codes for misfire in cylinder 2 and 3. Any help or suggestions would be appreciated. Thanks!

 

if you haven't don it yet i would recomend changing the wires.i recomend motorcraft wires more money but worth it in the long run .

 

You may find motorcraft wires quite expensive but I assure you that they are of good quality.

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