Rough Idle Due to Faulty EGR Switching Valve on Hyundai Santa Fe

Submitted by Vehicle Owner · Aug 2, 2025
Published by RepairPal

Problem overview

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.

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