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Quick question did anyone else ever get codes P0420 and P0430 ‘Catalyst Efficiency Below Normal (Bank 1), Catalyst Efficiency Below Threshold (Bank 2) on their Nitro? I got both and I’m scared I might have to replace the Catalytic Converter. I’ve tried using Cataclean once and it didn’t work. What should i do?
 

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just found this it may help
 
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