Catalytic Converter Cleaning

Forum for Infiniti M37, M56 M35h Hybrid and Q70 owners.
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Troypd15
Posts: 1
Joined: Mon May 30, 2022 6:25 am
Car: 2011 Infiniti M37x

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Any ideas on how to clean a catalytic converter on a 2011 M37X

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VStar650CL
Technical Expert
Posts: 11928
Joined: Thu Nov 12, 2020 1:25 pm
Car: 2013 Nissan Altima 2.5 SL
2004 Nissan Altima 2.5 S

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Cataclean. But make sure they aren't self-destructing. Nissan engines all use Miller-cycling and a bad cat which melts can literally send your engine to the JY. Shoot an IR thermometer at the cats. If an outlet isn't hotter than an inlet with the car fully warmed up, that cat is dead and watch out.
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Ilya
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Posts: 9202
Joined: Fri Apr 23, 2010 11:20 pm
Car: 2011 M56x but I spend a lot of time on my 2015 Kawasaki Vulcan S. Former owner of a 2007 M35x. Also take care of my wife's 2016 QX60.
Location: Charlotte, NC
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Moving to the correct forum. Leaving shadow topic in place.
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