Question about 2002 Kia Rio

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My Kia Rio Cinco has a problem with rain

This problem first began last Fall. Every time there is any rain or moisture, I can guarantee that when I start my 2002 Kia Rio Cinco, it will shudder and rattle, and it will barely be able to accelerate into traffic. If I put the pedal to the floor I might be able to drive 25-35 mph. Maybe the automatic transmission will kick in and let it drive a bit more normally for a few minutes. If I pull over and turn the engine off for 3-4 minutes and start again, it's as if nothing ever was wrong except the battery light might stay on for two days. This problem with the car has already caused me to get rear-ended once, and barring any resolution, I have to assume it will happen again, and maybe next time for the worse.
I have been told that this could well be a design problem and there might be no remedy. Is that possible? Should I give up?

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I had same problem with my Stupid KIA RIO 2002. Change the spark plug wires and Spark plugs. I could not figure out this simple problem. It left me in middle of the road and costed me $200 for dealer to tell me that. Oil leaks from valve cover gasket onto spark plug wires. Then, spark plugs and spark plug wires will not have electric connection and you will not get combustion. That is why your car does not have any power and can not run fast.
Dealer ship are not any smarter except they run into the same thing over and over again

Posted on Jul 31, 2009

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Email me at I have some service bulletins and recalls for you on both the transmission software upgrade and throttle body problems related to idle and stalling conditions. I cannot post pdf files here.

Posted on Jul 26, 2009

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The moisture baffles me,but the no power tells me its a bad catalyst,fuel pump,or bad fuel filter,You can have all these checked,at an auto parts store,and get recomedations.I dont see how moisture has anything to do with these though...unless there is water getting in the air intake somewhere.

Posted on Jul 26, 2009

  • Gizmo Florence Feb 16, 2011

    I have had similar problems from my 02 cinco, turned out to be the wiring going to the alternator. It had rubbed bare on the bracket, intake, or block. I wrapped the wire with electrical tape


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This problem first began last Fall. Every time there is any rain or moisture, I can guarantee that when I start my 2002 Kia Rio Cinco, it will shudder and rattle, and it will barely be able to accelerate...

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