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

 

chevy nowadays is sad