Question about 2003 Kia Rio

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Back fireing my 05 kia rio has been back fireing and running at about 1000 0r less rpms im not sure where to start it has 85,000 miles on it and i dont think nothing has been changed but the oil any seggestions Very low idle, then it stalls. Changed the oil, plugs, fuel injectors where cleaned, new air filter. Fuel filter is next. It runs well at high RPM's.

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  • Anonymous Feb 03, 2009

    my 05 kia rio has been back fireing and running at about 1000 0r less
    rpms im not sure where to start it has 85,000 miles on it and i dont
    think nothing has been changed but the oil any seggestions Very low
    idle, then it stalls. Changed the oil, plugs, fuel injectors where
    cleaned, new air filter. Fuel filter is next. It runs well at high
    RPM's. FIX WAS = After replacing the gas filter, plugs must be NPG, and wires it run's fine.

  • s60six May 11, 2010

    IS CHECK ENGINE LIGHT ON? if not maybe the timing belt is the problem

  • O Mclean May 11, 2010

    IS CHECK ENGINE LIGHT ON?

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The timing belt very well could be the problem. Those things last about 60k, 75k tops. The fuel filter should be checked( replaced ) as well. You can have the check engine checked for free at Advanced Auto. Does this car have a computer board ?

Posted on Jan 24, 2009

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