Question about Honda S2000

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I replaced my clutch and two check engine codes showed up 0141 and 0135. i replaced the two o2 sensors and reset the ck engine light and the codes came back.ive read theres an issue with this when the tranny is removed( tsb 1001)but i cant find any info on it..also when coming off throttle standing still the rpms go way low and then come up to normal and somtimes stalls, but this was happening before the clutch swap,i replaced the map sensor and nothing,thanks

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  • upshater1 Sep 13, 2010

    thanks vetteman but i replaced both o2 sensors with newones and nothing didnt work

  • upshater1 Sep 13, 2010

    evrything looks ok no pinched wires on the main o2 harness where can i go from here are you familiar with these cars????? the codes read its a heater circuit fault bank one sensor one and bank one sensor 2. 2001 honda s2000

  • upshater1 Sep 14, 2010

    yes did replace it and no change to the off throttle idle going low then coming back.

  • upshater1 Sep 14, 2010

    i will try resetting the ecm.why did you lean towards replacing the ecm? the car actually runs but the ck engine light stays on.

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I see, these codes deal with heater circuits faulty. I'm sure you already know that. I need to know what year, model and engine. I will be able from that point to help diagnose this issue. I love things no one can find! For the RPM and stalling issue, check the tube from the air box to the throttle body for proper seal and tears. Let me know and we will get this done.

Posted on Sep 14, 2010

  • Kori Policy
    Kori Policy Sep 14, 2010

    Also check fuse number 6 under the hood. It should be a 15 amp fuse. See if it is blown.

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Hi! Have you replaced the MAF (mass air flow) sensor? This has big contribution on engine performance specially the idling and vacuum supply.

Posted on Sep 14, 2010

  • dj_relly999
    dj_relly999 Sep 14, 2010

    Alright, I do believe that the PCM (powertrain control module) is faulty. The PCM is like a car's brain that when it's faulty everything else fails. Have it resetted or replaced then you'll be good.

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Check the wires to the O2 sensors. Most of the time when this problem happens the wires to the O2 sensors get smashed or pinched when removing or installing the transmission. As far as your other problem I would say that it is more likely the throttle positioning sensor rather than the map sensor.

Posted on Sep 13, 2010

  • Rodney Clark
    Rodney Clark Sep 13, 2010

    I am not talking about the sensor itself. I was talking about the wiring that runs back to the O2 sensor. The sensor has a wire about 10 inches long that plugs into the wiring on the vehicle. I meant check the wiring from where the O2 sensor plugs in to the ecu.

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