1998 Hyundai Sonata Problems

RepairPal has identified the most common problems with the 1998 Hyundai Sonata as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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Known Problem

On the 2.7L V6 and 2.4L 4 Cylinder, a defective exhaust gas recirculation (EGR) switching valve may cause an intermittent rough or unstable idle engine.