One problem related to accelerator pedal sensor has been reported for the 2003 Hyundai Santa Fe. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Hyundai Santa Fe based on all problems reported for the 2003 Santa Fe.
The accelerator pedal position sensor had just been replaced. Three blocks from the mechanic, while stopped at a red light, the vehicle unexpectedly increased acceleration. The brake pedal was applied to no avail. The e-brake was applied. Vehicle kept lurching forward against the restraint, then died. Ten minutes later, vehicle started and was returned to mechanic to avoid accident or injury. No cause has yet been found. Approximate mileage was 95,000.