One problem related to o2 sensor has been reported for the 2003 Jeep Grand Cherokee. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Jeep Grand Cherokee based on all problems reported for the 2003 Grand Cherokee.
The contact owns a 2003 Jeep Grand Cherokee. The contact stated that the vehicle stalled intermittently without warning. In addition, the vehicle failed to start. The vehicle was taken to an independent mechanic, who replaced the alternator, the fuel pump, the oxygen 2 sensor, and the cam sensor, but the failure recurred. The manufacturer was made aware of the failure. The failure mileage was 121,000.