Club4G Forum : Mitsubishi Eclipse 4G Forums - 2006-2012 Eclipse Authority - View Single Post - Code P0431
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Old June 29th, 2020, 06:57 PM   #2 (permalink)
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Name: Kyle
Join Date: Jan 2018
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Vehicle: 2006 Eclipse GS Auto
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Bad catalytic converter in your exhaust

It could be very bad depending on how bad it gets

It’s clogged up and eventually once it clogs up too much your engine will lose serious power, possibly overheat, and the cat could break apart and get sucked back into your engine or shot further dow your exhaust getting stuck in the next cat
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