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2006 Pathy - Cat Converter?

 
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linarema



Joined: 04 Jul 2013
Posts: 17
Location: Atlanta, GA

PostPosted: Thu Jun 14, 2018 7:16 am    Post subject: 2006 Pathy - Cat Converter? Reply with quote

Just had my 2006 Pathfinder LE at my trusted shop for "Service Engine" light at 207K miles.
The shop tells me I need the Right replaced and might as well replace both Cat Converters because it will likely go out next. Also replace both Oxygen sensors.
Altogether they are quoting $1900 for the parts and labor. They say I need to do before my next emissions test which is comin up in a couplet of months.

What has been your experience on the cost and need?

Thanks!
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2006 Pathfinder LE, V6 4x4, 207K, Original Owner. Aftermarket radiator. I want to keep this one!
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DanJetta



Joined: 03 Oct 2012
Posts: 478

PostPosted: Sat Jun 16, 2018 5:52 pm    Post subject: Reply with quote

Make sure you use OEM. I had both of mine replaced with aftermarket cats (the shop lied to me) and they lasted about 3 months.
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smj999smj
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Joined: 22 Jan 2012
Posts: 4650
Location: Prospect, VA

PostPosted: Sat Jun 16, 2018 8:48 pm    Post subject: Reply with quote

I would only replace the converter that failed along with the upstream oxygen sensor on that particular bank. I've used Walker catalytic converters and I haven't had any issues with them so far. The genuine Nissan converters are ridiculously expensive!
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2006 Pathfinder LE VQ40DE AWD, Nitto Dura Grappler P265/65R17, aftermarket radiator, Airlift 1000's, Bilstein HD rear shocks
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linarema



Joined: 04 Jul 2013
Posts: 17
Location: Atlanta, GA

PostPosted: Sun Jun 17, 2018 4:34 am    Post subject: Reply with quote

DanJetta wrote:
Make sure you use OEM. I had both of mine replaced with aftermarket cats (the shop lied to me) and they lasted about 3 months.


Thanks Dan - I'm curious at what mileage did you have to replace yours?
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2006 Pathfinder LE, V6 4x4, 207K, Original Owner. Aftermarket radiator. I want to keep this one!
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linarema



Joined: 04 Jul 2013
Posts: 17
Location: Atlanta, GA

PostPosted: Sun Jun 17, 2018 4:36 am    Post subject: Reply with quote

smj999smj wrote:
I would only replace the converter that failed along with the upstream oxygen sensor on that particular bank. I've used Walker catalytic converters and I haven't had any issues with them so far. The genuine Nissan converters are ridiculously expensive!


Thanks SMJ - I was thinking about the same thing. Replacing just the one that definitely failed. I may run it by another shop just to get the error code reading confirmed.
I'm curious at what mileage you had to replace yours?

Thanks!
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2006 Pathfinder LE, V6 4x4, 207K, Original Owner. Aftermarket radiator. I want to keep this one!
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smj999smj
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Joined: 22 Jan 2012
Posts: 4650
Location: Prospect, VA

PostPosted: Sun Jun 17, 2018 5:51 pm    Post subject: Reply with quote

The left bank was replaced by Nissan under extended warranty at 84,000 miles. I replaced the right bank with a Walker converter at 155,000 miles. Then, my left bank started triggering a P0430 catalyst code intermittently at 170,000 miles, which I haven't gotten around to changing, yet, now at 182,000 miles (and now triggering the code more frequently). Ironically, my 2008 Pathfinder V6 has 233,000 miles on it and the entire exhaust, including all of the converters, are all original and not triggering any codes (knock on wood!). The only thing I ever replaced on the exhaust on the 2008 is a few heat shield straps that rusted and broke.
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2006 Pathfinder LE VQ40DE AWD, Nitto Dura Grappler P265/65R17, aftermarket radiator, Airlift 1000's, Bilstein HD rear shocks
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linarema



Joined: 04 Jul 2013
Posts: 17
Location: Atlanta, GA

PostPosted: Tue Jun 19, 2018 1:49 pm    Post subject: Reply with quote

smj999smj wrote:
The left bank was replaced by Nissan under extended warranty at 84,000 miles. I replaced the right bank with a Walker converter at 155,000 miles. Then, my left bank started triggering a P0430 catalyst code intermittently at 170,000 miles, which I haven't gotten around to changing, yet, now at 182,000 miles (and now triggering the code more frequently). Ironically, my 2008 Pathfinder V6 has 233,000 miles on it and the entire exhaust, including all of the converters, are all original and not triggering any codes (knock on wood!). The only thing I ever replaced on the exhaust on the 2008 is a few heat shield straps that rusted and broke.



Thanks SMJ - I should think myself lucky since this is the first time I'm getting the error code and at 207K miles!

The more I think about it the more I'm leaning to just replacing the faulty one and oxygen sensor and passing emission and see how it goes!
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2006 Pathfinder LE, V6 4x4, 207K, Original Owner. Aftermarket radiator. I want to keep this one!
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dawgn86



Joined: 22 Jul 2011
Posts: 320
Location: Athens, GA.

PostPosted: Tue Jun 19, 2018 4:27 pm    Post subject: Reply with quote

smj999smj wrote:
The left bank was replaced by Nissan under extended warranty at 84,000 miles. I replaced the right bank with a Walker converter at 155,000 miles. Then, my left bank started triggering a P0430 catalyst code intermittently at 170,000 miles, which I haven't gotten around to changing, yet, now at 182,000 miles (and now triggering the code more frequently). Ironically, my 2008 Pathfinder V6 has 233,000 miles on it and the entire exhaust, including all of the converters, are all original and not triggering any codes (knock on wood!). The only thing I ever replaced on the exhaust on the 2008 is a few heat shield straps that rusted and broke.


How hard is it to change out?
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2006 Pathfinder / Black
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