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21/09/2025 8:38 pm
Topic starter
Hello i have a 2014 infiniti qx60 v6 3.5L with p0420 code driving me crazy i dont have the $$$ for a new cat do you recommend to use liquid thinner if so how much should i use and where can i find it. Thank you
2 Answers
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21/09/2025 10:28 pm
Look up P0420 to see issues besides the converter itself that can be the cause of that code.
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21/09/2025 10:00 pm
Always post your odometer per the instructions please.
The answer to your question should be in our FAQ on the front page. Check there first.
I propose that if you don't have money for a cat, then you probably don't have money to waste on cleaning which rarely works.
