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Dummy O2 sensors?

This is a discussion on Dummy O2 sensors? within the Performance forums, part of the General Discussion category; I heard that there are these dummy o2 sensors that you can plug into the O2 sensor wiring harnesses in ...

  1. #1
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    Dummy O2 sensors?


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    I heard that there are these dummy o2 sensors that you can plug into the O2 sensor wiring harnesses in place of the actual o2 sensor. It sends a signal back to the computer telling it that every thing is good to go. They are used for vehicals that have OBDII and no cats so that the check engine light doesnt come on and the engine runns right with the cats removed. Anybody ever used or heard of someone using these? If so where do you get them and what kind/how much are they?

  2. #2
    Registered User diamondstealth's Avatar
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    Re: Dummy O2 sensors?

    Yes they do exist. I have them on my truck. I have a set made by casper electronics and summitracing.com sells them. Oxygen sensor simulators.
    1997 GMC K1500 XC 9in 35's
    1990 GMC K1500 406, Predator Carb, 5Spd 32's

  3. #3
    Captain Cement Shoe 99SLT's Avatar
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    Re: Dummy O2 sensors?

    They sell for about $80 a pair, it's cheaper than having them programmed out of the computer

  4. #4
    technut
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    Re: Dummy O2 sensors?

    they are call O2 simulators for the rear HO2S. not for the
    front HO2S. they just relay false info to the computer to
    keep the rear HO2S signals from tripping the SES light.

    airdeano
    2001 Silverado 4.8L 4-spd Automatic 3.42
    ? horsepower
    ? torque
    will find out soon!

    1965 C10 5.3L (SSR) TH4L60e
    (It's Alive! 07/04 It Drives! 03/05 Daily Driver XX/08!)

 

 

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