1999 Infiniti QX4 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1999 Infiniti QX4
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1999 Infiniti QX4 ProblemsThe 4WD Light May Flash On and Off Intermittently
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.
The Check Engine Light may illuminate with code P0138, P0140, P0158, and/or P0160 stored. Our technicians recommend replacing the rear oxygen sensor, and reprogramming the vehicle's powertrain control module (PCM) with upgraded software to correct this concern.
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.
1999 Infiniti QX4 QuestionsWhen locked all of sudden alarm going off. Have to keep unlocked. N stalls (1 answer)
Stalls intermittent. Like running out of gas.. Smell ordor
With acceleration my 99 infiniti QX4 will make a loud metal rattling sound from under the center front of the car. My best guess is the converter box? Any help pretty please?
i have compared with other 3.3L engines and mine uses more gas/petrol for equal distance covered.
1999 Infiniti QX4 RecallsRust May Form on the Strut Tower Housing
In areas where winter road salt is used, a mixture of snow/water and salt may enter an assembly location hole in the upper strut housing. This corrosive mixture can collect on the mating surface of the strut housing panel and the inner hood ledge assembly; over time, this can cause rusting of the strut tower housing. The rust can weaken the housing, causing it to crack and pull away from the inner hood ledge assembly. This can lead to grinding noises and increased steering effort, which, if severe enough, can cause the steering column to break. This would result in a loss of steering control, increasing the risk of a crash. Dealers will inspect the strut housing and repair the vehicles as necessary. An interim notification letter should be mailed to owners prior to May 16, 2011.