Question about 2002 Kia Rio

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At times car can not run over 53mph.

2001 Kia Rio.68K miles Car always starts and idles fine to begin with. At various times car loses power and when you stop ar red light it idles real rough and when you take off it won't go over 50-55 mph. When you stop and shut car off for a while,it may run well for several days. Then all of a sudden you wonder will it make it home. I have had kia check it. They replaced Timing belt, fuel filter, plugs, wires, and even cleaned fuel system by flushing it. The problem still exists. Don"t ever know when it will act up. Sometimes it runs good you would never think there was a problem. Could it be electrical , mechanical. I don,t know.

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  • hulk2000 Jan 29, 2009

    car is 2001 not 2002. No codes according to Kia Service.

    As far as fuel pressure being checked when problem appears. When you shut car off and restart problem is gone. Where exactly would you put hose with guage to check on this car. Is it easily accessable. Thanks

  • yadayada
    yadayada May 11, 2010

    do u have any trouble codes? have u had the fuel pressure tstd when u loose power?



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U need a special test gauge, it hooks to a test port on the supply pipe to the engine fuel injectors's, looks like a metal tire valve, u may be able to borrow this fuel pressure test guage from Kragen or Autozone, call them and check.

Posted on Jan 29, 2009


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