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.
Car problem reports
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Newest reported 1997 Infiniti QX4 problems
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.