Question about 1999 Kia Sportage

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Sluggish performance on 2000 Kia Sportage

My 2000 Kia Sportage doesn't perform well when engine rpms reach about 3300. It's as though I have reached a rev limiter- which obviously can't be the case. It does this in all gears (it's a manual shift) I've replaced the plugs,coils, fuel filter, air filter, timing belt- nothing seems to have made a difference. Does anyone have any suggestions?

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  • hhnssr Sep 30, 2008

    Working on it. Will let you know how it turns out.

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My theory is that it could be the injectors clogging. You could first try running a higher octane fuel, then if that doesn't seem to help try using the minimal amount of gas, and add injector cleaner to the tank. If all of this fails to work you can take your vehicle to the dealership where they can run a system analysis on it and help you pinpoint the problem. Hope this was helpful. Please rate my solution, thanks.

Posted on Sep 28, 2008

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