2004 Hyundai XG350 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Hyundai XG350
Never overpay. Check prices with our estimator
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
2004 Hyundai XG350 ProblemsRough Idle Due to Faulty EGR Switching Valve
A defective exhaust gas recirculation (EGR) switching valve may cause an intermittent rough or unstable idle engine.
Prior to replacing the automatic transmission fluid (to improve shift quality), make sure that the transmission fluid level is correct. Also, make sure the computer that controls the transmission has the most up-to-date adaptive programming information. When servicing these transmissions be sure to use fluid approved by Hyundai.
2004 Hyundai XG350 QuestionsProblems: The Malfunction Indicator Light has come on, and will not go out. (1 answer)
The Malfunction Indicator Light (MIL) has come on and will not go out. What does the MIL problem indicate?
Cigarette Lighter Not Working, Checked Fuses
It just happened tonight!