I have a 2006 impala 3900 that started running bad. The check engine light is on a pulled a misfire on #2 cylinder. So i replaced the plugs and wires. Now seems like the car is running worse and scanner say p0300 code a random misfire. Pulled out the plugs and a couple are wet and couple or sutty looking. put in another set and same thing. Any ideal on were to start next? Thanks for the help. Jason
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