Inactive-Merged-Rough Idle Due to Faulty EGR Switching Valve on Hyundai XG350

Submitted by Vehicle Owner · May 29, 2025

Published by RepairPal

Problem overview

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

4 people reported this problem

0 comments

Schedule Repair

Hyundai XG350 vehicles with this problem

0 model year affected

Search for another problem

RepairPal ™Car Genius

Ask our experts about your Hyundai.

RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.

Call us at 877-913-1554

Available 9am – 6pm ET Monday through Friday

Call Our Experts

Exceptional warranty

Shops offer at least a 12-month or 12,000-mile warranty.

Satisfied customers

We ensure high satisfaction through verified customer reviews.

Transparent pricing

You'll get a Fair Price Guarantee on all RepairPal estimates.

Millions trust us for auto repair — RepairPal Certified^® locations must pass a rigorous approval process to ensure quality, customer satisfaction, and fair pricing.

Find a Repair Location

Inactive-Merged-Rough Idle Due to Faulty EGR Switching Valve on Hyundai XG350

Problem overview

Hyundai XG350 vehicles with this problem

Need a diagnosis? Trust our Hyundai experts.

Search for another problem

Ask our experts about your Hyundai.

Need a diagnosis? Trust our Hyundai experts.

Tuffy Tire & Auto Service Center - Grandview

Excite Auto Repair & Towing

All In Auto Service

Tuffy Tire & Auto Service - Grove City