One problem related to other fuel system tank filling/charging has been reported for the 2003 Infiniti QX4. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Infiniti QX4 based on all problems reported for the 2003 QX4.
Fuel filler neck has corroded causing gas to leak on to tire and brakes while filling gas tank. Recall of previous model.