2003 Ford Focus misfiring when idleing

2003 FORD FOCUS
89,000 MILES • 4 CYL • 2WD • AUTOMATIC
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PAMELA BURK
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When I am at a stop, my car is misfiring. I can feel the misfire under my feet. I have replaced the spark plugs with a very good brand. When a diagnostic machine was hooked up to my care it said it was a cylinder No 2 misfire. Is this the cylinder coil attached to the spark plug? or could it be a piston cylinder. The car runs great when moving. No lack of power or chugging when driving.
Apr 6, 2010 at 2:53 PM
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