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TSB NTB99-004b


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#21 OFFLINE   laxman0324

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Posted 29 April 2010 - 05:11 AM

It should improve, cool straight air going into the engine rather than being mixed with very hot, re-used exhaust gasses. Emission systems are the biggest gas and power sucking systems on engines.

a little off topic but this is why hybrids of today can't even match the Honda CR-X's mileage from 20 years ago...

#22 OFFLINE   Towncivilian

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Posted 17 March 2012 - 02:51 PM

Looks like the attachment died, here's a working link: NTB99-004b - 1996-00 PATHFINDER, 1999-2004 FRONTIER (V-6) AND 2000-2004 XTERRA (V-6); MIL 'ON' WITH O2 SENSOR DTCs

#23 OFFLINE   Rebelord

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Posted 18 March 2013 - 01:07 PM

anyone have a good link to the full TSB with diagrams and such? I made a harness but would like to make sure I have it correct. 



#24 OFFLINE   Towncivilian

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Posted 21 March 2013 - 08:15 PM

https://docs.google....dit?usp=sharing

#25 OFFLINE   Rebelord

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Posted 22 March 2013 - 07:58 PM

Yep, I have it right. But still Bank 2 Sensor 2 High voltage. Second new sensor too. This is aggravating. 



#26 OFFLINE   theexbrit

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Posted 27 January 2014 - 12:56 PM

I need to do the wiring harness mod as I'm getting intermittent p0156 & p325 codes, I think it's the ground problem discussed here & before I go buying o2 sensors, etc, I'd like to try this. The links are all broken, does anyone have the TSB &/or photos of where to mount the harness? One post I was reading on another forum the guy said he used the wrong bolt holes & it didn't help with the problem until he used the correct bolt holes on the manifold.



#27 OFFLINE   B00StER

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Posted 03 April 2014 - 11:53 PM

Here, i shared it. Hope it won't disappear again.



#28 OFFLINE   tmjayat

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Posted 07 May 2014 - 07:33 AM

Hello guys I'm new to the forum but I just checked my voltage drop and it was reading around 150 mV :/. I put the red lead on the grounding bolt and the black on the right side cylinder head as instructed. Anything I'm not doing right, or is this a likely thing? The engine was running idle after a 8km drive.






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