missfire an all clylinders,replaced plugs cleaned plenum and ports,no vac leaks on 2002 Acura TL

curious why is TCS light on also? found exhaust leak behind coverter, would that cause a problem with the upper stream 02 senser? or a leak in the valve cover gasget did find abit of oil in that area upon doing plenum. please help thank you so much

by in Rochester, NY on June 23, 2012
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