2005 Ford Taurus Q&A

2005 Ford Taurus Question: Engine miss a idle speed

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 -
Answer 1
SCAN CODES AND ADV ON CODE -
Comment 1
I had a code pulled and it was 0300 random misfire multiple cylinders -
Comment 2
you need to have this diag by your mech could be a mulititude of things -
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The car idles fine but when you put it in gear (forward or reverse), it stutters. It runs fine at speed. I hooked up a code scanner hoping I may have missed a light, but there were no codes. Plugs ...