Car Problem Reports

Hyundai XG350 Rough Idle Due to Faulty EGR Switching Valve

Hyundai XG350 Problem
11 Reports
Me Too

Model Years Affected: 2002, 2003, 2005

Engine Affected: 3.5L V6

Average Mileage: 92,157 mi (65,000 mi - 189,000 mi)


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

  • Visitor, , 3.5L V6, 189,000 mi

    I need to know where the egr valve is located on the the car.

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  • Visitor, , 3.5L V6, 85,000 mi

    Rough idle but ok if I put it in neutral. Haven't fixed it yet.

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  • Visitor, , 3.5L V6

    when car is in park the car vibrates and the rpm guage wont go down passed 2 on the gauge car vibrates until car is turned off

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  • Jkjiv, , 3.5L V6, 65,000 mi

    Not fixed yet, but same problem occurs intermittently

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  • Visitor, , 3.5L V6, 76,100 mi

    rough idle. has not been fixed. diagnosed as possible egr swich issue. dealer that sold me the car is supposed to be repairing it and also all required maintenance. I am waiting 3 weeks

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