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Old 10-07-2010, 02:26 AM   Thread Starter #1
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Arrow Cattman Header Issues - Whats The Solution?

So.. I just install cattman Header 2 days ago brand new....Everything worked out fine but now CEL came on and its driving me nuts,, so i run the scaner here is what i have and please kindly tell me the soluation...Thanks,.,,
--------------------------------------------------------------------------

View Freeze Data..
-------------------
DTC that caused Freeze frame --P1273
Engine RPM --(1775 RPM)
Load Valve -- (45.0%)
Coolant Tem -- (197 "F)
Short term fuel trim 1 -- (0.8%)
Long term fuel trim 1 -- (5.4%)
Short term Fuel trim 2 -- (-4.9%)
short term fuel trim 3 -- (-100.6%)
Long term fuel trim 4 -- (-1000.6%)
short term fuel trim 4 -- (-100.6%)
Vehicle speed -- 14 MPH
Fuel system 1 -- Closed
Fuel system 2 -- Closed

--------------------------------------------------------------------------

I/M monitors
-------------
Miss Fire Monitor -- ok
Fuel system monitor - ok
Comp Component -- ok
Catalyst monitor - inc
HTD catalyst monitor -- n/a
EVAP system monitor -- inc
Sec air system monitor -- n/a
a/c refrig monitor -- n/a
oxygen sensor monitor -- ok
oxygen sensor HTR monitor -- ok
EGR system monitor -- ok

--------------------------------------------------------------------------

Finally the Problem CEL
==================
Code ------------------P1273 1 of 2

Code ------------------P1273 2 of 2


--------------------------------------------------------------------------

Only if i knew or read header review i would never install them.. thanks...can some one help me solve this?
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Old 10-07-2010, 05:49 AM   #2
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Default Re: Cattman Header Issues - Whats The Solution?

I believe the issue is due to the O2 sensors. From what I've ready, you can try to find some simulators...but it may, or may not get rid of the code.
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Old 10-07-2010, 06:52 AM   #3
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Default Re: Cattman Header Issues - Whats The Solution?

I suggested simulators to him yesterday when I went out to help him. Said that cattman wouldnt warranty thier product if he installed simulators. I dunno if this is true but I'm pretty sure it would fix it.
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Old 10-07-2010, 08:01 AM   #4
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Default Re: Cattman Header Issues - Whats The Solution?

well both codes you posted are the same. and the code is a Lean code in B1S1.
Bank 1, sensor 1 is the 1st o2 sensor on the front side of the car.
big problem that i see is if you look at your LTFT hopefully someobdy can chime in and let us know what stock LTFT should be.
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Old 10-07-2010, 08:36 AM   #5
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Default Re: Cattman Header Issues - Whats The Solution?

I can but I went out there yesterday to look at his alternator n test it, he had already takin it outta the car. Long drive for nuttin.
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Old 10-07-2010, 09:08 AM   #6
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Default Re: Cattman Header Issues - Whats The Solution?

Originally Posted by Mr DoLLa View Post
I suggested simulators to him yesterday when I went out to help him. Said that cattman wouldnt warranty thier product if he installed simulators. I dunno if this is true but I'm pretty sure it would fix it.
Thats retarded what does simulators have to do with the headers,lol he does need simulators which are hard to find or can also weld O2 extended bungs which should work its cheap and easy.........

Last edited by 2themax; 10-07-2010 at 09:18 AM.
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Old 10-07-2010, 09:10 AM   #7
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Default Re: Cattman Header Issues - Whats The Solution?

You will 100% have codes if you didn't have 02 sims installed. The 02 simulators are actually hard to find now days as Felix mentioned. There was a way around it for the 2004 4spds and 6spds but most people still installed 02 simulators.

But remember the 02 simulators will not always work if everything was not installed properly.

So now you are going back to stock?
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Old 10-07-2010, 09:12 AM   #8
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Default Re: Cattman Header Issues - Whats The Solution?

Originally Posted by 2themax View Post
Thats retarded whatdoes simulators have to do with the headers, he does need simulators which are hard to find or can also weld O2 extended bungs which should work its cheap and easy.........
Lol. I told him the same thing about them. He allegedly extended the O2.
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Old 10-07-2010, 02:51 PM   Thread Starter #9
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Default Re: Cattman Header Issues - Whats The Solution?

I did the proper installation .. and was cheked By a Professional mehanic... however ... I guess headers are not my kind of things. as soon as i put it .. my alternator went out .. couldn't find a better time.. As i mention i am totally new to Header(even better its my 1st time) --Only if i knew header drop MPG.. ANd the sound inside the car .. holly cow there is no way in hell/earth i would spend that much to get cattman header... ITs not for me ..... I beg to let go ................. SOmeone want these for sure ............I just want my stock back ... plz plz ... lol
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Old 10-07-2010, 02:53 PM   #10
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Default Re: Cattman Header Issues - Whats The Solution?

I don't know man. If installed right... you should have had ZERO issues. A few of us actually have Cattman headers on here with no issues.

For the sound... we just added an extra resonator to tone it down and get rid of the raspy noise.
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Old 10-07-2010, 03:16 PM   #11
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Default Re: Cattman Header Issues - Whats The Solution?

I repeat, no reason on earth that a set of Cattman headers can't be set up to run perfectly on any 04 Maxima; it can get trickier with the later years, but an 04's emission sensing system is like an 03, not an 05. Either there was something wrong in the first place, or a bad installation; it sure as heck can't be blamed on the headers.

I don't see any indication of how the secondary sensors were set up (relocated behind cat or w/ simulators?), but if the code's associated with the primary sensors (that screw into the manifolds) then a simulator will have no effect. My best guess would be a bad wiring job when the wires were extended for the primary sensors.

Keep in mind that we hear from, or about, "professional" mechanics every day who do not have a clue about how the car actually works. They can take parts on and off, but they do not understand emissions system, how to diagnose error codes, etc. There are great mechanics who are not Nissan Master Techs, but if you don't know one, seek out someone who does have that background.

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Old 10-07-2010, 04:05 PM   #12
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Default Re: Cattman Header Issues - Whats The Solution?

Originally Posted by Mr DoLLa View Post
I suggested simulators to him yesterday when I went out to help him. Said that cattman wouldnt warranty thier product if he installed simulators. I dunno if this is true but I'm pretty sure it would fix it.
That is simply untrue, but I suspect its a lack of understanding on the customer's part. The warranty on Cattman exhaust products covers things like fitting right, not leaking, not breaking over time, etc. It does not cover improper installation and has nothing to do with whether or not the customer uses simulators.

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Old 10-07-2010, 04:47 PM   #13
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Default Re: Cattman Header Issues - Whats The Solution?

Originally Posted by sheabnyc View Post
I did the proper installation .. and was cheked By a Professional mehanic... however ... I guess headers are not my kind of things. as soon as i put it .. my alternator went out .. couldn't find a better time.. As i mention i am totally new to Header(even better its my 1st time) --Only if i knew header drop MPG.. ANd the sound inside the car .. holly cow there is no way in hell/earth i would spend that much to get cattman header... ITs not for me ..... I beg to let go ................. SOmeone want these for sure ............I just want my stock back ... plz plz ... lol
Your engine is basically a large air pump. If you add more air (headers...allowing for better breathing), then you have to add more fuel...that's how it works. I would imagine you'd take a small hit in gas mileage, but I wouldn't think it would be anything drastic. If you're throwing an 02 sensor code...that would be my guess in why the drastic drop in mileage. As far as the sound, do you still have the stock exhaust/resonator? If not, what do you have from the headers back?
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Old 10-07-2010, 05:36 PM   #14
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Default Re: Cattman Header Issues - Whats The Solution?

I have Cattman Headers and my gas mileage has never been better considering all the mods I have on my car. No simulators on my 2005. I did ad a larger resonator for the drone, but that just headers to me. You aren't going to have those extra cats in there to muffle the engine sound. Its going to pass straight out the tail pipes.

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On the inside:
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I do have CEL but my alternator is fine, unrealted to header installs. I think you should relaxe and tackle the problems one at a time.
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Old 10-07-2010, 05:46 PM   #15
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Default Re: Cattman Header Issues - Whats The Solution?

Originally Posted by Apollos2 View Post
I do have CEL but my alternator is fine, unrealted to header installs. I think you should relaxe and tackle the problems one at a time.
I have an 07...is there any sure-fire way around the CEL? I've read that even simulators won't necessarily keep it from tripping.
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Old 10-07-2010, 06:29 PM   #16
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Default Re: Cattman Header Issues - Whats The Solution?

Originally Posted by 1hawaii50 View Post
I have an 07...is there any sure-fire way around the CEL? I've read that even simulators won't necessarily keep it from tripping.
Give irish a holla... He'll point u in the right direction cause he has headers on his 6.5 gen with no CES light...
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Old 10-07-2010, 06:33 PM   #17
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Default Re: Cattman Header Issues - Whats The Solution?

I have 02 Sims sitting in my garage, never really could figure out how to intall the properly. I have an 2005 5sp Automatic.

I was thinking a technosquare refalsh was the real answer but now I was reading on here that it won't stay for automatics. BTW been talking Irish, still have CEL.
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Old 10-07-2010, 07:55 PM   #18
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Default Re: Cattman Header Issues - Whats The Solution?

Originally Posted by 2themax View Post
he does need simulators which are hard to find or can also weld O2 extended bungs which should work for CEL its cheap and easy.........

I REPEAT...............
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Old 10-07-2010, 08:11 PM   #19
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Default Re: Cattman Header Issues - Whats The Solution?

hey Mike, interested in getting rid of the simulators? if so, I want them!!
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Old 10-07-2010, 08:34 PM   Thread Starter #20
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Default Re: Cattman Header Issues - Whats The Solution?

okay now i got a new code but very smiller and related ... P1284 & previously P1273 Both say .. manufacturer air fuel ratio meter.... Is it for sure 02 sensor related??

P.s --- i did extend the rear 02 sensor as stated to do so.
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Old 10-07-2010, 08:48 PM   #21
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Default Re: Cattman Header Issues - Whats The Solution?

Originally Posted by BLKMAGIC View Post
hey Mike, interested in getting rid of the simulators? if so, I want them!!
I haven't given up on the just yet, if I do, you are first in line!


Originally Posted by 2themax View Post
I REPEAT...............

You got a wiring diagram? A little help?




Originally Posted by sheabnyc View Post
okay now i got a new code but very smiller and related ... P1284 & previously P1273 Both say .. manufacturer air fuel ratio meter.... Is it for sure 02 sensor related??

P.s --- i did extend the rear 02 sensor as stated to do so.
You did the right thing, but are you also using any type of tuning. I have SAFCII to help. Because I believe you will run lean with headers if you don't adjust your A/F mixture. Best way to know if you are really is get dyno tuned.

My A/F is correct but I believe it is outside the stock reading which the ECU wants to see sooooooooo I will have codes until I either re-flash the ECU to accept the new ratios or figure out how to get the SIMs wired in.
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Old 10-07-2010, 08:56 PM   Thread Starter #22
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Default Re: Cattman Header Issues - Whats The Solution?

nothing else .. just header was my 1st step and this scared the hell out of me ... i will never in hell try to mod a car lol.........

p.s -- i am very good at mechanical work but not at mod ..i just realize.
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Old 10-07-2010, 09:56 PM   #23
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Default Re: Cattman Header Issues - Whats The Solution?

Originally Posted by sheabnyc View Post
okay now i got a new code but very smiller and related ... P1284 & previously P1273 Both say .. manufacturer air fuel ratio meter.... Is it for sure 02 sensor related??

P.s --- i did extend the rear 02 sensor as stated to do so.
alright base one what I scrolled and the info that I read,

Let me ask you this , when you extend the O2 wires,

#1 did you make sure that each wire is wired the same ? are you POSTIVE that you didnt cross the wires?

Your issues sounds like you may have'd cross wires somewhere.

#2 did you solder and heat shrink wrap the wires back toghter ? Do not use butt connectors please, make sure you had good contact when you soldier , and double heat shrink wrap to keep moisture out.

#3 did you use the EXTACT same gauge wire ? alot of people think they can stick differnt size guage wire , the output will read differnt with wrong size gauges wire.

#4 Hopefully when you were installing the headers , that the battery was disconected , also it will be louder and the in-cabin drone will be almost intorleable ,

You need to installed a resonator if you want that drone to be minimal.

Also hopefully you double check all these steps, its always a pre-cautions just to go over things twice ( as in the o2 wires )

you should have zero issues
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Old 10-07-2010, 10:07 PM   #24
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Default Re: Cattman Header Issues - Whats The Solution?

Originally Posted by NiZMo1o1 View Post
alright base one what I scrolled and the info that I read,

Let me ask you this , when you extend the O2 wires,

#1 did you make sure that each wire is wired the same ? are you POSTIVE that you didnt cross the wires?

Your issues sounds like you may have'd cross wires somewhere.

#2 did you solder and heat shrink wrap the wires back toghter ? Do not use butt connectors please, make sure you had good contact when you soldier , and double heat shrink wrap to keep moisture out.

#3 did you use the EXTACT same gauge wire ? alot of people think they can stick differnt size guage wire , the output will read differnt with wrong size gauges wire.

#4 Hopefully when you were installing the headers , that the battery was disconected , also it will be louder and the in-cabin drone will be almost intorleable ,

You need to installed a resonator if you want that drone to be minimal.

Also hopefully you double check all these steps, its always a pre-cautions just to go over things twice ( as in the o2 wires )

you should have zero issues
Also, aren't you supposed to lengthen the wires on the factory plug NOT on the 02 sensor itself? I know when I put the long tube headers on my Mustang, it was a big NO NO to mess with the wiring on the 02 sensor itself...the wires on the OEM harness had to be extended.
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Old 10-07-2010, 10:29 PM   #25
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Default Re: Cattman Header Issues - Whats The Solution?

^^ yes most important , thanks for filling that in ,

my wording was off , but yes extended the Harness itself to the o2 , and not the o2 sensor wires....

Thanks for that correction !
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