Catalytic Converter Replacement - B15sentra.net - Nissan Sentra Forum
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#1 Old 03-24-2011, 10:38 PM
Hazardboss
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Catalytic Converter Replacement

So recently, on my 2003 nissan sentra xe, I took my car in for an inspection and failed due to code P0420. The serviceman there said it was most likely the catalytic converter, and it would have to be replaced. He gave he a quote of $1000 to replace the Cat, and said it would include labor, and the price of the Cat. Is this a reasonable price? And also instead of just getting another OEM cat, would getting a bolt on Highflow cat be cheaper. I can definitely DIY a bolt on.

Thanks
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#2 Old 03-25-2011, 12:04 AM
Michael48
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Sounds expensive...but I'm not expert on your market area.

2002 Nissan Sentra SE-R Spec V w/ 05 QR25DE, 2JR Rear Sway bar, 2JR rear brakes.
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#3 Old 03-25-2011, 09:36 AM
RadioBoy
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Can you weld? Do you have access to a lift?

1000 sounds high...but I haven't priced out a cat recently....I know for a time, the rare-earth materials we're jacking up the price, but I had heard that it's been dropping....

'04 Spec V, Bone Stock ~ Except for all the stuff I've done to it.
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#4 Old 03-25-2011, 11:07 AM
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sounds WAY high to me. look up the parts at Rock auto and bolt it in yourself. you shouldn't need to weld it in.
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#5 Old 03-25-2011, 12:51 PM
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im working my way up on a full exhaust for install. im around $330 for the full exhaust another $40 for the universal hiflow that needs to be welded in. so yes $1000 is wayyyyyyyyyy toooo high. i would find another mechanic is hes trying to rip you off that bad, even the stealership isnt that bad.
i dont remember what the xe exhaust looks like, but i know there ebay headers for like $150 and catbacks less than $200, a couple of cats and paying someone to install and weld should be like $500-600 not sure why you got double price for 1 piece! So you can get a full exhaust and diy bolt on yourself for half the price, i guess you can figure if one cat is worth the $1000

edit: not sure what your state has for emission or smog, but you will need at least one cat to pass emission, i know the specv comes with 2, so we just delete one or both depending on emission
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#6 Old 03-25-2011, 08:00 PM
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http://cgi.ebay.com/ebaymotors/2000-...Q5fAccessories


Installation should be no more than like $100 or $150 at most

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Quote:
Originally Posted by Bullet1212 View Post
well i kno you guys are talkin bout se's but for the ser wit da qr i was thinkin y dnt you get a exhaust system from a new altima wit da dual exaust and just do som fab work to shorten the pipes
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#7 Old 03-26-2011, 03:56 PM
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the parts from dealer even only cost you around $300, for 4 bolts and 2 gaskets job, i think $100 labor is good enough.
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#8 Old 03-26-2011, 08:21 PM
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I think it's your second O2 sensor, if it is not reading a different signal from the first O2 sensor, you'll get this code. I would check this first if I had your car. Actually, I believe the QG18DE had like 4 sensors total, so you may have to check more than one.

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#9 Old 03-27-2011, 02:21 AM
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Originally Posted by Dangling Fury View Post
I think it's your second O2 sensor, if it is not reading a different signal from the first O2 sensor, you'll get this code. I would check this first if I had your car. Actually, I believe the QG18DE had like 4 sensors total, so you may have to check more than one.
WOW man, you were right. I took it too my friends shop, and after running a few tests we found out it was in fact an o2 sensor. Thanks for you help everyone.

Props to DanglingFury!
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#10 Old 11-25-2011, 11:42 PM
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http://cgi.ebay.com/ebaymotors/2000-...Q5fAccessories


Installation should be no more than like $100 or $150 at most
Will this specific cat fit on a 03 spec v?
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