Thread: extending 02?

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  1. #1 extending 02? 
    GT Level Member natethegreat's Avatar
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    When I put headers on I just decided to lengthen it myself. Well eventually it pulled apart and now I need to re solder it but there are two brown wires on the sensor that need to be soldered back together but I'm unsure which brown wire goes to which...does it matter what brown wire they're hooked up to?
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  2. #2 Re: extending 02? 
    Moderator dsmuts's Avatar
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    I'm thinking soldering on o2 wires messes with the resistance
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
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  3. #3 Re: extending 02? 
    GT Level Member natethegreat's Avatar
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    Guess I didn't even think of that...probably just buy an extension and a new o2
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  4. #4 Re: extending 02? 
    I live here. Slick2500's Avatar
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    From my understanding if you are going to extend your 02 you should not do it in the 02 harness as it can cause the 02 to throw codes.
    2003 Redfire Metallic Chevy Tahoe Z71 - Airaid Modular Intake Tube, Flowmaster Exhaust.
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  5. #5 Re: extending 02? 
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    Two identical lengths of wire of the same gauge will have the same resistance.

    If your solder joints or the connections have enough resistance to matter, they are damaged and in need of repair.

    Some have claimed the sensor side of the harness is used by the sensor in determining the difference between exhaust air and ambient air.

    This would suggest otherwise:

    http://www.ngksparkplugs.ca/tech-inf...en-sensors.cfm

    It doesn't seem like that would play a very large role in the accuracy of your sensor. It would seem buildup on the inside/outside of the tip would be much more harmful here.
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  6. #6 Re: extending 02? 
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  7. #7 Re: extending 02? 
    Florida Tuner Z34Phoenix's Avatar
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    take and old sensor and a junk yard connector and make your own extension harness. when i first did my swap and headers i extended the O2 wires. had some minor issues and scrapped the idea and made my own O2 extension. for time and money just get the ZZP one and be done.

    96 Z34 (RIP LQ1 14.81@92.3) L36 Swap 14.9@91.5 www.cardomain.com/id/z34phoenix
    Topswap: P&P All,Si Valves,L76's,LW Pushrods,SD's,DHP PT PB 13.91@99.8
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