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code 7 reading

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    #1

    code 7 reading

    ive been a fan of this forum page since before the acquirement of my 1991 honda accord EX. ive owned the car for roughly 8 years now, and since ownership, i have loved it even more. Ive also managed to purchase 2 others, one being a 92 ex with a F22A6 and most recently a 1990 LX with a F22A4. Ive done my best to keep my 91 as original as possible, until i decided the exhaust had to be replaced. Heres where my question comes in. shortly after the installation of my full exhaust, ive been dealing with a code 7. ive replaced the TPS but it has yet to do anything. when i go to accelerate, it tries to choke out and begins sputtering hard. i thought in the beginning it was my intake forcing too much air, but i removed that and the problem persists, pretty much making my car, which i love as much as a child, an overpriced parking spot holder. Any help at this point would be grateful, because im on the brink of parting ways with my f22a4 child
    Tags: 91 ex, error code 7, f22a4, tps
    #2
    Did you properly calibrate the new TPS when you installed it? If not, you'll need to do that. Also, did you reset the ECU to clear the code afterward?

    Another possibility is the o2 sensor. I experienced a similar choking/sputtering effect with a failing o2 sensor, and it didn't throw an error code right away. When it did, it was code 43 (fuel supply system... oddly, it's an o2 sensor code 90&#37; of the time.)

    If you haven't calibrated the TPS and reset the ECU, do those things now. If you did those things, try swapping out the o2 sensor for a brand new Denso or NTK unit for your specific year and trim level (the wire lengths and plugs vary, so be sure to get the right one!)






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      #3
      Here is an excellent write up that I've used many times about calibrating the TPS. I really need to do it to my car again, ive done it to alot of friends cars with good results.

      http://honda-tech.com/tech-misc-15/d...e-tps-2947986/
      sold! But here's my build thread for those interested.

      http://www.cb7tuner.com/vbb/showthread.php?t=206864

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