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  #1  
Old 11-23-2009, 10:56 AM
henrymfisher
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Default P0420 Bank 1 Failed

I own a Murano SL '03. Today it was diagnosed with a P0420 Bank 1 failure.

Which CAT is this? I know there are two CATS in the car.

If I replkace the CAT will that clear the code and the service light will go out, or do you also have to do the o2 sensor and reset the codes?

Thanks.

Henry
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  #2  
Old 11-23-2009, 05:49 PM
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mpe235 mpe235 is offline
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It is the cat a the rear of the engine. You will need to clear the codes after you replace it.
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  #3  
Old 11-24-2009, 03:06 AM
henrymfisher
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Which of these two CATS is the B1 cat?
Nissan Murano Catalytic Converter - Car Parts Wholesale
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Old 11-24-2009, 02:15 PM
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mpe235 mpe235 is offline
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Quote:
Originally Posted by henrymfisher View Post
Which of these two CATS is the B1 cat?
Nissan Murano Catalytic Converter - Car Parts Wholesale
The first and sixth one from the top look kind of close to what the factory one looks like.
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  #5  
Old 09-01-2013, 07:58 PM
hughesyerdaddy hughesyerdaddy is offline
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2004 Murano
 
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It,s your bank 1 firewall side.
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  #6  
Old 10-12-2015, 01:59 PM
david 10 david 10 is offline
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2009 Murano
 
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Is there anywhere i can get a diagram so i know which cat is cat 1 and cat 2 on the 09 nissan murano so I can replace cat 1?
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