2001 Sportage Running Rough PO301 Code - Kia Forum
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post #1 of 13 (permalink) Old 03-03-2011, 08:14 PM Thread Starter
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Default 2001 Sportage Running Rough PO301 Code

I have a 2001 Kia Sportage with 48,000 miles on it. The other day the CEL came on, so I pulled the code and it read PO301 Cylinder 1 misfire! So I replaced all the plugs and the coil packs. When I pulled the #1 Spark plug, it was covered in oil! All over the electrode! I replaced the Spark plug; put a new valve cover gasket on it. Drove it for about 20 minutes and it started running rough and the CEL came on again and it pulled the same code! Any ideas? Something wrong internally? Head gasket, Rings? Thanks in advance for the help!
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post #2 of 13 (permalink) Old 03-04-2011, 07:01 PM Thread Starter
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No ideas??? Anyone??
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post #3 of 13 (permalink) Old 03-04-2011, 07:46 PM
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Check the spark plug wires resistance and insulator, if you didn't replace them.
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post #4 of 13 (permalink) Old 03-04-2011, 10:18 PM Thread Starter
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Those were replaced as well!! The problem is the oil on the electrode of the spark plug! Any other ideas on what would cause that??
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post #5 of 13 (permalink) Old 03-04-2011, 11:30 PM
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Could be quite a few different things, so I wouldn't want to speculate. You need to do some testing ie: compression test and a leakdown test.
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post #6 of 13 (permalink) Old 03-05-2011, 09:54 AM
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PCV hose connects to intake near the runner for cylinder 1, but it shouldn't draw in that much oil. Wouldn't hurt to check the PCV valve anyway.
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post #7 of 13 (permalink) Old 03-05-2011, 03:07 PM Thread Starter
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I replaced the PCV Valve while I was replacing the plugs. Leakdown test? Not sure what you mean by that?
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post #8 of 13 (permalink) Old 03-05-2011, 04:58 PM
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befor you do anything,try this. pull the coils then pull the rubber boots off and stretch the two springs in each of the coils. reinstall,reset the codes and see if it works. this is what worked for me after 8 months of pulling my hair out. let us know if it works.
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post #9 of 13 (permalink) Old 03-05-2011, 05:07 PM
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ok this sounds crazy but after doing everything i could do and sending it to kia 3 times by towtruck this is what worked for me. pull both coils and remove the rubber boots, stretch both springs in each coil. reinstall and reset codes. let us know if it worked. it worked on our kia 8 months and 900.00 bucks later.
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post #10 of 13 (permalink) Old 03-05-2011, 07:00 PM
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You didn't say if there was oil [in the plug-hole] the second time it threw the code...

"Does this part need to be in there?"
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