1999 Infiniti QX4 Problems
RepairPal has identified the most common problems with the 1999 Infiniti QX4 based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.
Carbon deposits on the throttle body may cause any of the following issues: Idle speed fluctuation, incorrect idle speed, difficulty accelerating way from a stop, and or increased accelerator pedal resistance. Our technicians tell us a revised throttle body and associated parts are available to resolve this issue.
The 4WD light may flash on and off intermittently with no transfer case related fault code stored in the powertrain control module (PCM). Our technicians recommend to ensure the correct Nissan/Infiniti approved fluid is present in the transfer case if this condition occurs.