Engine stalling or failure to start may indicate crankshaft angle sensor failure; Hyundai issued a recall (03V030000).
2002 Hyundai Santa Fe Problem Reports
Newest 2002 Hyundai Santa Fe Problem Reports
The crankshaft position sensor may fail, causing engine stalling or a failure to start. Replacement or the failed sensor will commonly correct this problem.
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.