HELP - runs bad

changed plugs & degreased engine today...runs like on 3 cylinders

sprayed WD40 under each boot @ plug & @ distributor but no luck

any ideas??

Thanks.

JKK
99 ZX-2

One if the connectors inside your plug wires is most likely busted. I did the same thing. Try to wiggle the wire they should be stiff, if not grab a spare and replace it see if it works.