Check Engine Light illumination—combined with a lack of power or a stumble on acceleration—may be caused by the throttle position switch (TPS). Kia released an improved part which should correct this concern.
1998 Kia Sportage Problem Reports
Newest 1998 Kia Sportage Problem Reports
Vehicles driven in areas where roads are heavily salted in winter may experience corrosion of the fuel tank, which can result in a leak. Kia has extended the fuel tank warranty on the 1996-2002 models. Please check with you local Kia dealer for more information, the service bulletin number is 059