One problem related to o2 sensor has been reported for the 2004 Chrysler Pacifica. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Chrysler Pacifica based on all problems reported for the 2004 Pacifica.
The vehicle does when in reverse and you step on the accelerator. Gas gauge reads empty even with fuel in it and fluctuates between empty and full. Vehicle stalls when going around a corner or coming to a stop. . Foul smell coming from the exhaust into the cab. All dash gauges go off. Check engine light is on. Received two different codes 1) O2 sensor bad & 2) p1861.