2002 Hyundai Sonata Repair and Maintenance
A guide to problems, costs, maintenance and repair 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.
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.
I had my car to many mechanics and replaced many parts when my temp gauge kept reading hot, but it actually wasn't. A master tech finally listened to me and went directly to the problem. The manufacturer had not installed one of my ground wires to the engine. That explains why I kept going through batteries and headlight bulbs. Finally the issue got to my temp gauge and my window motor. Not having that ground, my car was handling it in oth...
2002 Hyundai Sonata QuestionsMy engine light can on about 2 days ago, and thereafter my car shakes and is slightly more rough in idle, and also when speeding up or slowing down. Yet only 1 code has come up ; The camshaft positioning sensor code. (1 answer)
Everything else drives fine except when driving and trying to speed up the car is also slightly sluggish or bogged down.
The engine is turned off, but the brake light stays on.