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Discussion Starter #1
Just went to get my titan inspected and it failed because of the p0430 and p0420 codes, which are the catalyst system efficiency below threshold banks 1 and 2. Apparently I have to replace my catalytic converters, called Nissan and they want $2100 to fix replace them. I know nothing about trucks and how to replace these.
Guess my questions would be how much should those cost, and how easy are they to replace?

thanks for the help
 

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That sounds about right. Are you still under the 8 year & 80,000 mile federal emmissions warranty?
 

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Discussion Starter #3
No, have over 115000 miles on it. Was hoping id be able to do it myself, how much should the front 2 converters cost by themselves?
 

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if you want PM me and I will see if my friend from a dealer can get you a good price.
 

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You can do it yourself. Just be patient because they are not easy & hope you dont break off an exhaust bolt in the head.
 
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