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Discussion Starter · #1 ·
I hooked up my code scanner and the ram is throwin a P0420 code?

What could this be? THe truck is still under the extended bumper to bumper warranty, so whatever repair is needed..should it be covered?

Thanks doodes :rck:
 

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Discussion Starter · #3 ·
I put that code in the search and it is a catylitic converter code. Did you do something to your exhaust?
I bought the truck with the modified exhaust. Its a flowmaster muffler dumped at the rear axle. I dont think anything was done to the headers or mid pipes...or even if the cats were removed at all.

Is it an o2 sensor issue?
 

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Discussion Starter · #5 ·
Thanks bro!
 
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