2001 Hyundai Sonata Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2001 Hyundai Sonata
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2001 Hyundai Sonata ProblemsRough Idle Due to Faulty EGR Switching Valve
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.
If the automatic transmission does not shift properly and the Check Engine Light illuminates, the speed sensors in the transmission may have failed. The sensors are simple and inexpensive to replace.
Concerned about safety, the NHTSA is investigating reports of rust forming at the front suspension mounting points, the frame, and the sub-frame. Some of these vehicles may have been recalled for this issue. For more information, please click here»
2001 Hyundai Sonata QuestionsFuel switch ignition relay switch location? (1 answer)
Where is the fuel relay switch located I looked under the dash but did not see it there, is it on the fuel delivery assembly in the tank?
At stops it idles a little rough.takes off slow..what could it be...every time I drive it but this just started...use to run good no problems before