Question about 2008 Hyundai Accent

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Loud noise in pipe exhaust due to humidity

Recently I started to hear a loud noise by the engine from the exhaust pipe I do not see any loose or broken pipe, a friend told me that it might be due to the humidity, where I live the snow was about 40 inches high and I had to go out every day so I was driving over the snow four-six times every day will this noise go away by itself or do I have to do something ?
Thanks,

Carlos

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  • 2 more comments 
  • crendero Jan 14, 2009

    Thank you for your answer, and yes, the noise did not disappear and I have to replace the flex pipe from the exhaust and the noise is gone.
    Now I have another problem, last Saturday I changed the throttle posi
    tion sensor and now the car is running very rough, hesitating and the RPMs are going up and down, a friend told me that the computer is learning the problem has been fixed that is why the is car is acting like that, its this true ? will the car be running smooth again anytime soon.
    Thanks, Carlos.


  • crendero Jan 14, 2009

    Absolutely, previously I heard that every time I change a sensor I have to disconnect the battery but I was not sure, so I will do that as soon as possible and thank you very much for your advise, I am sure I will be OK.

    Carlos


  • crendero Jan 16, 2009

    Hi, this is Carlos again, I already disconnect the battery after replacing the throttle position sensor, I was not sure for how long the battery has to be disconnected, I put it back after an hour, this was two days ago, the car is still hesitating on gas and the RPM are going
    up and down, can you tell me please for how long this has to keep going before come to normal.

    Thank you
    Carlos


  • yadayada
    yadayada May 11, 2010

    the noise will not go away by itself, and it is not due to humidity.

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Did u disconnect the battery after the sensor was replaced? if not u will need to do that so a new base idle setting can be learned by the computer, it is called adaptive idle strategy.

Posted on Jan 14, 2009

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