P Codes Help!!!!!

Chuckie
05-07-2003, 04:44 PM
Hey ya'll. I have a 99 Camaro, 3.8. I replaced the plugs, wires, and fuel filter. Now my car is missing bad, SES light on solid. I have the P0300 code which I was told is random, multiple misfires. My car has 157,000 miles on it. Where do I start? Maybe a bad set of plugs or wires??? HELP!!!!!:(