[rlinaweaver79]

Hi guys. My 03 TB started running funny. Codes are C0300,305,321,359,374,379,0550. B0770,775,780,785,790,725. P0306,128.
I have a dead #6. Plug change didn't help.
Could all this be a crank case sensor?
I'm new to this truck with very basic tools...