One problem related to mass air flow sensor has been reported for the 1999 Mazda Protege. The most recently reported issues are listed below.
Check engine light on no matter what the reading says change all parts will go off but back on and fail inspection mass air flow sensor has been change three times and cayli. Convertor twice.
| Wiring problems | |
| Mass Air Flow Sensor problems | |
| Dash Wiring problems | |
| Electrical System problems |