Question about 2002 Kia Rio

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Service engine is on again and the mechanic said it was number two cylinder miss fire

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The trouble code number for a #2 missfire is po302 which is usually caused by bad spark plugs and or plug wires so i would recommend doing a tune up and clear the code and it should be fixed worse case if plugs and wires don't fix it, which it more than likely will, you may have a bad ignition coil

Posted on Aug 28, 2010

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A misfire can either be fuel, spark or mechanical........have you had the compression checked for a bad cylinder......as it is injected, are you sure whether this is blocked or not working.....and are you getting a spark from the coil.....each of these need to be checked.....

did he provide some sort of diagnosis in this area

Posted on Aug 28, 2010

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