The crankshaft position sensor may fail, causing engine stalling or a failure to start. Replacement or the failed sensor will commonly correct this problem.
2002 Hyundai Santa Fe Problem Reports
Most Reported 2002 Hyundai Santa Fe Problem Reports
The timing belt can fail prematurely; if it fails while driving, it can cause catastrophic damage to the engine. Be sure that the timing belt is inspected and replaced according to the manufacturer's recommended schedule.
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.
Engine stalling or failure to start may indicate crankshaft angle sensor failure; Hyundai issued a recall (03V030000).