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Thread: 02 sensor

  1. #1
    LX User My 89 Accord Lxi's Avatar
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    02 sensor

    does a new one really do anything performance wise? i think i need a new one



  2. #2
    SEi User TeKKnoTeKK's Avatar
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    It all depends on how well your current 02 sensor is working....basically what the 02 sensor does is communicates the air/fuel mixture with the ECU. If it is not working properly you will not be getting the right air/fuel mixture, usually replacing it increases your gas milage. I wouldn't count on it to really give you much more power. Depending on the year/make of accord you have there may be 2 02 sensors.
    -Aaron-
    "I play russian roulette everyday, a man's sport, with a bullet called life"



  3. #3
    LX User My 89 Accord Lxi's Avatar
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    i do have 2 i just noticed the 2nd one today lol thanx

  4. #4
    SEi User TeKKnoTeKK's Avatar
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    I believe the one on the right is the primary, atleast that is the one I changed when I started getting a check engine light. I still need to change the other one, but at 20 bucks a pop it's not cheap to replace them both at the same time lol.
    -Aaron-
    "I play russian roulette everyday, a man's sport, with a bullet called life"



  5. #5
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    86-7 used 1 sensor
    88-9 used 2 sensors

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