2001 Hyundai Sonata Repair and Maintenance Costs
A guide to repairs, service, and maintenance costs 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.
Premature timing belt failure may result in serious engine damage. When replacing a broken timing belt, it is important to inspect and possibly replace the crankshaft position sensor; it is often damaged when the timing belt breaks.
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