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Ask Your Question2005 Kia Rio
Question: Eng Light
Question
My check engine light comes on at about 40 mph, I pull over disconnect the hot battery lead and its like it never happened? I hooked up the OBD II scanner and get a code misfire, I changed the plugs and wires and still there's a stutter and the light comes on at about 40 mph. What can I do to solve this Eng. light prob?
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Answer #1
Bret Bodas February 23, 2009, 20:00
MasterYou may have a bad coil, injector, or something else. Is the code for a specific cylinder?
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Chaz_1, February 25, 2009, 19:07RookieYes the code read out said cylinders 1&4 which is the same side of the coil pack.
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Bret Bodas, February 25, 2009, 20:46MasterIf the 1 coil supplies those 2 cylinders, that may be it. Can you swap the coils and see if the codes change cylinders?
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Chaz_1, February 28, 2009, 08:42ReplyRookieFirst off I broke the wire connector.One must need a special Korean tool to remove those, anyway, I switched the plug wires and the feed wires and got a different readout it was 3&2 so I would assume the coil is bad according to your suggestions. Thanks a bunch, now to try and locate a wire end and a coil. Take care
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Answer #2
navyman December 09, 2009, 14:08Reply
Rookiehi,you may have solved the misfire problem now I had one on my 2006 chev aveo.the coil went bad,I replaced it but the misfire caused my cat convertor to go out replaced it car doing fine now I hope you had better luck than i had.Last chev aveo for me .
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