i have an 04 lighting with the typical mods..and the past week it has been idleing extremely rough and almost seems to be doggin or not getting full potential..i cleaned my air intake changed my fuel filter and unpluged and repluged my chip....could it be as simple as plugs and wires....or am i looking at a disaster.....ps if it is plugs i herd your not suposed to use plenum in a lightning????
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