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[5th Gen : 08+]: Continuous Catalytic Converter failure

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Old 03-01-2018, 03:22 PM
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Unhappy Continuous Catalytic Converter failure

Continuous Catalytic Converter failureHello, I have a 2010 Dodge Grand Caravan. The van runs fine but 2 years ago the engine light came on. Took to the mechanic and they replaced the catalytic converter, oxygen sensor and RGF(SP) valve. Since then the cv has been replaced 2 more times. The new cv gets installed 100 miles later the engine light is back on. The only message from the computer is catalytic converter. Has anyone had this problem? My mechanic says they have done everything they can and something else must be wrong that the computer is not listing. So in 2 years I have had 3 catalytic converter replacements. Luckily they are under warranty but I want this to stop. Help!!!
 
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Old 03-01-2018, 03:28 PM
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What is the code you are getting?
 
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Old 03-01-2018, 06:05 PM
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Default found the code P420

I dont have the exact code but the light is on again so I will take to mechanic and ask him to tell me. And then will post here. Code is P420
 

Last edited by cardog2018; 03-19-2018 at 09:50 AM. Reason: update
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Old 03-01-2018, 08:48 PM
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You can take it to any auto parts store and they will read the code. You don’t have to take it to a mechanic.
 
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Old 03-19-2018, 09:52 AM
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Code is P420
 



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