One problem related to service engine light on has been reported for the 1999 Hyundai Elantra. The most recently reported issues are listed below.
The contact owns a 1999 Hyundai Elantra. While idling, the vehicle stalled and the service engine warning light illuminated. The failure has occurred fifty times, but the vehicle was able to be restarted after each one. The dealer replaced the maf sensor. The manufacturer stated that his VIN was not included in NHTSA recall number 00v259001 (electrical system: wiring). The current mileage was 117,867 and failure mileage was 117,000.