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cats burning an smoking

1K views 4 replies 4 participants last post by  87fox5.0 
#1 ·
hello does anyone know why my cat converters would be burning and smoking, i start my car an let it sit there and run for about 5-10 minutes and its starts smelling like something burning and smoke starts coming up from the converters. what could cause this?
 
#4 ·
Yeah your catalytic converters are probably clogged or
failed. You can either weld in new catalytic converters
or just purchase a new or used mid pipe with catalytic
converters already on them.If it were me I would just
purchase a new mid pipe and be done with it.
 
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