Hyundai XG350 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Hyundai XG350
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Hyundai XG350 ProblemsPCM software update to correct fause oxygen sensor code
If the Check Engine Light illuminates, indicating a problem with the front oxygen sensor, but the sensor tests okay, reprogramming the engine's control computer should fix the problem. Then, the Check Engine Light will no longer falsely illuminate and the acceleration, particularly from a stopped position, will be smoother.
A defective exhaust gas recirculation (EGR) switching valve may cause an intermittent rough or unstable idle engine.
Hyundai XG350 Questions1 minute fine but the next, not. No crank no dashboard lights no beep no nothing. Open door and shut it and hear clicking and it starts up. And have to reset all radio stations. (1 answer)
when trying to accelerate car bogs and has no power