Car Problem Reports

Infiniti QX4 Erratic Idle Speed and Increased Accelerator Pedal Effort

Infiniti QX4 Problem
5 Reports
Me Too

Model Years Affected: 1997, 1998, 1999

Engine Affected: 3.3L V6

Average Mileage: 153,729 mi (131,458 mi - 176,000 mi)


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.

  • Visitor, , 3.3L V6, 176,000 mi

    I was told by a mechanic cleaning off the throttle plate fixes the pedal 'sticking'.

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  • Visitor, , 3.3L V6, 131,458 mi

    I notice this when stopped the engine will race and I feel resistance on the brake .

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