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> Missing And Power Loss
katte
post Jan 12 2010, 01:14 PM
Post #1


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Location: USA
Drives: XG350L
My XG 350 has CEL indicating cylinders 2 4 6 misfires

Plugs have been changed (twice) with only short improvement

Thanks for any ideas
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jsinton
post Jan 12 2010, 01:44 PM
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Drives: 1999 Elantra
What are the error codes exactly?
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mikep
post Jan 15 2010, 08:24 AM
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Drives: 2001 XG300
Have you replaced the plug wires? Mine "looked" fine, I didn't see any arching, but being 9 year old plug wires (IMG:style_emoticons/default/biggrin.gif) they needed to be replaced.

Good luck and let us know,
mike
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wildweathel
post Jan 29 2010, 08:52 PM
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Location: USA, Maine
Drives: 2002 Hyundai XG 350 L



I just picked up my new-to-me XG after some warranty work. Was idling very rough, with misfires on 1, 3, and 5.

Notice a pattern? Only the odd cylinders. These engines have two banks of three cylinders each: odds are bank 1, evens are bank 2.

Intake camshaft 1 was mistimed.

So, if even cylinders misfire, focus your attention on bank 2: valve timing, intake manifold + variable intake system, anything else that's specific to that bank. Good luck.
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