2002 Hyundai Sonata Repair and Maintenance Costs
A guide to repairs, service, and maintenance costs for your 2002 Hyundai Sonata
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2002 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.
Problems with the accelerator pedal position switch may cause the Check Engine Light to illuminate; an improved switch is available to fix this problem.
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.
2002 Hyundai Sonata QuestionsSensors on transmission (1 answer)
Location and description of any sensors on transmission
Where can I get a new one and how do I replace it..how often do they go out
Everything else drives fine except when driving and trying to speed up the car is also slightly sluggish or bogged down.