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OBDI to OBDII O2 Sensor(s)??

Discussion in 'ECU's, Electronics, and Tuning' started by collectbeans, Mar 12, 2008.

  1. collectbeans

    collectbeans New Member

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    I have searched all through the forums with no luck, so some of you older members probably know this already, so here it goes.
    I have an 88CX Si with a B16a swap, first gen with the dual O2 sensors in the header. My plan is to do the OBDII conversion, but my question is, the conversion goes from a 2 wire O2 to a 4 wire--but does it convert to only 1 sensor, or does it remain 2? I could not find anything in the posts that addresses this----and no one ever refers to them as sensorS--they say you go from a 2 to a 4 wire sensoR [singular]
    I am hoping to get to only one sensor since that is what you can find in an aftermarket header, but if it remains with 2 sensors as it is now[except they would then have 4 wires], what are your thoughts on putting one in the bottom of the header, and one in the Cat? I can get an aftermarket Cat with a bung for it, but if the readings from there cause issues, I've solved nothing.
    Thanks in advance,
    collectbeans
     
  2. BrutalB83

    BrutalB83 Brutal Moderator Moderator VIP

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    I'm wondering why you are wanting to convert to OBD2, that doesn't make sense. If I were you I'd keep the car as is or switch to OBD1. Things will be simpler and easier to tune that way...
     
  3. collectbeans

    collectbeans New Member

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    Sorry---posting early in the morning before being awake---yes, OBD0 to OBDI----to be able to add Hondata, etc....
     
  4. OKCZombie

    OKCZombie Banned

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    obd1 you only need 1 o2 sensor preferrably a 4 wire...either get the o2 sensor on the header or in the cat...if you put it in teh cat make sure you have a bolt or somethin to fill the bung on the header if there is one as most do have one there.
     
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