Originally Posted by
Streamline05
Brought up the codes today.
P0303 cylinder 3 misfire
P0301 cylinder 1 misfire
P0304 cylinder 4 misfire
P0300 Random-Multiple misfires
I was going to suggest plugged Catalytic converter but it doesn’t line up with the cylinders listed. It would be limited to one side or the other
have you checked both cam and crank sensors.