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Cat problem
I have a 01 3500 with the 6.0 and have a random misfire, It would take too long to go over what all has been checked but I suspect the left bank cat is plugging. I live in AL so there are no smog checks and I was wondering if I cut it loose at the rear of the cat and knock the center out of it then weld it back can I use one of the dummy o2 sensors so I don't get a light. Has anyone here tried one of these?
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