Thread: open end wrench that can take off downstream o2 sensor?

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  1. #1 open end wrench that can take off downstream o2 sensor? 
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    I dont want to buy a specialized socket if i have a wrench thay can do it
    Thx
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  2. #2 open end wrench that can take off o2 sensor? 
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    I dont want to buy a specialized socket if i have a wrench thay can do it
    Thx
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  3. #3 Re: open end wrench that can take off downstream o2 sensor? 
    Grocery Getter x2 goldgp's Avatar
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    Harbor freight has an o2 socket for less than 10 bucks, tho you can usually get it off without a special one.
    1998 GTP Mods: Getrag 5 speed ,balanced bottom end,ARP hardware,L32 rods,Federal pistons .20 over,XP Cammed,Double roller,130# springs,and 3.4 Gen V,SSC springs,GMPP sways, C5 calipers,12 inch brakes.2000 Grand Prix SE 3.8 Mods: GT dual exaust,plog,downpipe,Transgo Shift kit,1.9 yella terra rr,strut braces,gmpp kit.Both noob tuned with HP Tuner
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  4. #4 Re: open end wrench that can take off downstream o2 sensor? 
    GXP Level Member 91parkave's Avatar
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    7/8ths
    06 GXP | 222/227 cam/cartuning turbo kit on 8psi/meth/e85 coilovers/ still on stock trans at 130k
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  5. #5 Re: open end wrench that can take off downstream o2 sensor? 
    Solving problems BrandonHall10's Avatar
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    I used a standard combination wrench when I put mine back in during my header install. Some O2 sensor bungs have a protector ring welded in place around them. Ours don't. That's the only reason I can see needing the special socket. Only if you can not physically get a wrench around it.

    If I'm wrong I'm sure someone with more experience will chime in. Just going on my experience.
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  6. #6 Re: open end wrench that can take off downstream o2 sensor? 
    GrandPrix Junkie ItHurtz's Avatar
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    7/8th, hit the end of wrench with a hammer to tighten it, then hit with hammer to loosen it, piece of cake.
    2000 GTPT Sold-brandonhall10 built trans
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  7. #7 Re: open end wrench that can take off downstream o2 sensor? 
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    I'm putting 2 o2 extenders on for my hi flo zzp stainless 3 inch catted dp. I got a code sayin the downstream was burnt right after i put on my hi flo magnflow dp. Hope the o2 still works after putting the o2 extensions on!
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  8. #8 Re: open end wrench that can take off o2 sensor? 
    GrandPrix Junkie
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    Sure, you can get it with a wrench. IIRC it's a 7/8's. Might do better if you have a short wrench. I replaced the one on my 00GT with just a wrench. Best chance of getting it out is to soak it w/ PB Blaster for a day or 2 then try and remove it while the manifold is still slightly warm (assuming you are talking about the upstream 02 sensor).
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  9. #9 Re: open end wrench that can take off o2 sensor? 
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    Yea im talkim bout the downstream. im going to put o2 sensor extensions because of the hi flo cat
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  10. #10 Re: open end wrench that can take off o2 sensor? 
    Solving problems BrandonHall10's Avatar
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    Probably won't need to soak it because... Arizona. LOL!
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  11. #11 Re: open end wrench that can take off o2 sensor? 
    I live here. 02NavyBlue's Avatar
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    In my experience, having the correct closed end wrench is the best way to remove them. Of course you remove them when replacing, so I cut the end off to slip the closed end over it.
    2006 Grand Prix GT S/C 109k - Modded Transgo Shift Kit, Gutted Airbox, Dash Cam, and Inlays. Retros soon to come.
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  12. #12 Re: open end wrench that can take off o2 sensor? 
    GrandPrix Junkie HighOctaneRacing's Avatar
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    Quote Originally Posted by MrDniceL36 View Post
    Yea im talkim bout the downstream. im going to put o2 sensor extensions because of the hi flo cat

    Always used a 7/8ths wrench to take off the downstream o2 off. As for the upstream, if you ever need to do it, rent the special socket from AAP
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  13. #13 Re: open end wrench that can take off o2 sensor? 
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    Thx everyone!
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  14. #14 Re: open end wrench that can take off downstream o2 sensor? 
    GXP Level Member 91parkave's Avatar
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    Holy **** another az member
    06 GXP | 222/227 cam/cartuning turbo kit on 8psi/meth/e85 coilovers/ still on stock trans at 130k
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  15. #15 Re: open end wrench that can take off downstream o2 sensor? 
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    Lool yep native
    Btw i was wondering if I could use a bic lighter to clean my o2 sensor? I dont jave a propane torch
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  16. #16 Re: open end wrench that can take off downstream o2 sensor? 
    Killa Bee Scottydoggs's Avatar
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    why do you need extensions for the rear o2? and why 2 of them?

    and whats the code you got?

    buy a new o2 sensor.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  17. #17 Re: open end wrench that can take off downstream o2 sensor? 
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    Po141. But ive cleared it. Driven 20 miles then the light goes on
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  18. #18 Re: open end wrench that can take off downstream o2 sensor? 
    Killa Bee Scottydoggs's Avatar
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    thats your up stream sensor, the one in the rear exhaust manifold. not the post cat one.



    http://www.obd-codes.com/p0141

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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