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2004 Hyundai XG350 Problems

RepairPal has identified the most common problems with the 2004 Hyundai XG350 based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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2
Known Problems

A defective exhaust gas recirculation (EGR) switching valve may cause an intermittent rough or unstable idle engine.

Prior to replacing the automatic transmission fluid (to improve shift quality), make sure that the transmission fluid level is correct. Also, make sure the computer that controls the transmission has the most up-to-date adaptive programming information. When servicing these transmissions be sure to use fluid approved by Hyundai.