One problem related to o2 sensor has been reported for the 2003 Subaru Baja. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Subaru Baja based on all problems reported for the 2003 Baja.
When trying to accelerate from a complete stop, the vehicle hesitated. The dealer reprogrammed the computer/replaced the oxygen sensor and replaced the ecu, but the problem still continued. The consumer stated the timing belt was also replaced, however the vehicle stalled twice.
| O2 Sensor problems | |
| Electrical System problems |