Thread: O2 sensors

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  1. #1 O2 sensors 
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    Does anyone have experience changing the o2 sensors out on 3.8L supercharged? I just bought the car and had 5 codes on it that I need to fix.
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  2. #2 Re: O2 sensors 
    Killa Bee Scottydoggs's Avatar
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    you need a 7/8 th 02 socket and like 12 inches of extension and it comes right out. you can get the socket at harbor freight for like 7 bucks. or your parts store.

    if the rear o2 is tossing a code too those dont always like to come out, good luck with it, a box wrench maybe your best bet with that one. or some heat even. mine went to the dump with its pipe lol

    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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  3. #3 Re: O2 sensors 
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    Thanks, I plan on changing them out sometime in the next week.
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