The Check Engine Light may illuminate indicating a fault with two or more oxygen sensors. Our technicians tell us this may be caused by a poor ground between the cylinder head and the exhaust manifold.
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Newest reported 1997 Infiniti QX4 problems
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/Infinity approved fluid is present in the transfer case if this condition occurs.
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 Check Engine Light may illuminate with throttle position switch fault codes stored. Our technicians tell us a revised throttle position switch is available to correct this concern.