Engine miss a idle speed on 2005 Ford Taurus

I noticed when I am sitting at idle speed like at a stoplight my engine has a slight stumble in at every now and then.I have new plugs,wires,air and fuel filter.I put some lucas injector cleaner in but it still does it.Any ideas.Thanks

by in Benson, NC on June 15, 2012
1 answer 2 comments
ANSWER by on June 15, 2012
SCAN CODES AND ADV ON CODE
COMMENT by on June 17, 2012
I had a code pulled and it was 0300 random misfire multiple cylinders
COMMENT by on June 18, 2012
you need to have this diag by your mech could be a mulititude of things
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