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Hi all,

I am working on a friend's 2002 3.8L Mustang with 130k. It is sputtering intermittantly while driving, feels like a misfire. Today I replaced spark plug wires. She said it was a little better, but it would still sputter occasionally when driving. I'm thinking it's a spark issue, so I'm planning on doing spark plugs and coil pack tomorrow. Any other ideas? What else could it be?

Thanks,
Jack
 

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Try using seafoam. I was having the same problem and first thing I thought was the coil pack and wires. First I wanted to try seafoam though, and I did, and the problem went away. Worth a try.
 
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