2003 Infiniti QX4 Problem Reports

Most Reported 2003 Infiniti QX4 Problem Reports

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The heater blower motor may only work on the high speed setting. Our technicians recommend replacing the heater blower motor and fan control amplifier to address this problem.

Front catalytic converters are prone to cracking along the seams of the converter itself. Most repair shops can successfully weld the seems to prevent exhaust leakage.