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Discussion Starter #1
I have a 2001 nissan maxima with 84k miles and my check engine light came out about a week ago.

I have a OBD 2 Sensor and i had the error code p0420 with is a three way catalyst bank 1 code.

What is the best option for this problem?

My idea was getting another Catalytic converter?

Any ideas or clues?

Thanks
 

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have the system light reset first.. If the problem occurs once again then have it replaced, but it's a 90% chance that when you reset the light it will not come back on unless there really is a problem with the sensor..I had the same problem..

Good Luck!!
 

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Nissan Technician
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826 Posts
If the light came on, it's cause there IS a problem! These '00-'02 Maximas are notorious for the PO420 codes, which means the front flexpipe needs replacing, which also includes the cat!!!
 
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