Question about 2003 Kia Optima

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Changing back spark plugs underneath engine cover

We know where the front 3 spark plugs are but cannot get to the back 3 that are underneath an engine cover. It is a 2003 Kia Optima

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I'm fairly certain those motors require the upper intake manifold be removed to gain access to the rear spark plugs. You might be better off bringing it to a qualified technician as it gets fairly involved. If i remember correctly it's about a 2 hour job and requires a few gaskets.

Posted on Apr 17, 2009

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Remove the (4) 12mm bolts from the decorative plastic engine cover. Remove plastic cover from engine and place it off to the side out of your way.
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please rate!

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