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  1. P0430 check-engine code

    General Discussion
    Hey folks, I did the key dance on my 2005 5.7 and the code that popped up is P0430 which as I understand it means that one cat converter seems to not be as efficient as it should. I understand that this could be caused by a broken/clogged/etc cat or a failing O2 sensor. But could it be caused...
  2. 2006 srt8 catalytic converter

    General Discussion on Issues / Trouble Shooting
    I recently purchased my 300 from a smaller used dealer and on the day of my purchase I drove my car back home (30miles) and the check engine light came on. Now the codes says there is a catalytic converter issue in bank two. So I took the car back to the dealer to get it fixed twice and it keeps...
  3. Catalytic converter coupler

    General Discussion on Issues / Trouble Shooting
    I noticed a rattle when I would get underway so the last time I changed my oil I poked around underneath and found that the exhaust pipe attached to the back of the catalytic converter is loose. This is some sort of a coupler that the factory used to attach the cat to the pipe and it seems to...
  4. Sluggish and Uncomfortable Ride

    General Discussion on Issues / Trouble Shooting
    Hi guys. I have a 2005 300C and I'm to the point where i'm very uncomfortable with driving it. My 300 is very sluggish at times. I have to press a little harder than usual on the accelerator to get her to go and then I have to mash down a little further to get her to get up in speed. It's very...