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13/05/2021 10:28 pm
Topic starter
Hello guys, sorry for the late question.
I have a 2001.nissan Terra 3.3
I got a check engine light and read the code.
I received a p0420 code,
Any suggestions
2 Answers
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13/05/2021 10:35 pm
P0420 is “Catalyst System Efficiency Below Threshold”.
For troubleshooting see here:
https://carkiller.com/scottykilmer/postid/82370/
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20/05/2021 11:32 pm
Topic starter
Any other suggestions
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