Were the plugs gapped properly? Are you sure the plug wires are seated on the plugs all the way? Could one of the plugs have cracked while installing, like a hairline crack that's hard to see? Is the service engine light on. If so, get it scanned for trouble codes. Also check all of the vacuum lines for leaks, cracks or maybe one was dislodged when changing the plugs.
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Saturday, May 26th, 2007 AT 10:36 PM