Thread: Need help with a P0300 code

Originally Posted by SgtMarshal

I have a used catalytic converter that came off my 2001 GTP, might be able to meet up tomorrow sometime if you are interested. I would sell it for 50 bucks.

I went and hit the catalytic converter a few times and didn't hear anything unusual that might have been shaking around inside. If it ends up being the cat though, I would probably take you up on that.