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Running rich, what could be the cause?

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    #1

    Running rich, what could be the cause?

    I've got a 90 accord with a JDM h22a... I recently put on a full exhaust system (Megan Racing, absolute crap imo) and with it a new O2 sensor... this sensor was an "FTK" O2 sensor bought from a local parts store.

    I'm running rich.. quite rich actually. Nasty smell in the exhaust, a lot more popping and backfiring, lots of carbon build up in the exhaust. And I'm guessing it's probably because of this O2 sensor. I'm going to be replacing the entire exhaust again, something that won't be so cheaply made as this one and along with the new exhaust, I plan on spending the money to get an OEM honda O2 sensor. But until I do that, I thought I would get some opinions on what people think this might be because of.. and if it is due to the O2 sensor, is there anything I can do in the mean time?
    Tags: None
    #2
    If nothing was happening before then I guess.

    I did experience that O2 sensor problem a long time ago. The fix was to get a stock honda unit.

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      #3
      O2 Sensor, leaking injector, not enough spark. So many variables. Id change out your o2 sensor and see if that solves it because it sometimes does. And OEM is the way to go

      The New-ish Ride
      My old Ride
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      MK3 Member #3
      I piss off people for fun.
      IA 08 Sunburn Victim #1

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        #4
        I had the same problem with my friend's 93. We went to an Advaned and bought thier o2 and was rich for a while till I suggested to go to Honda and get their o2. Thing runs like a champ now.
        "Saving The World, One Smile At A Time"

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          #5
          check you IAB intake air bypass solenoid wires because I'm runing rich right now also thats because my iab is not yet hooked up because I cant find anybody here to help me. so yeah check that. and tell me what happens.its located underneathe the intake mainifold driver side.

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