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Infiniti
QX4
13

Erratic Idle Speed and Increased Accelerator Pedal Effort on Infiniti QX4

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 153,729 (131,458–176,000)
Engine affected: 3.3L V6
3 model years affected: 1997, 1998, 1999
13 people reported this problem
Comments
Viewing 1 - 2 of 2 comments
I notice this when stopped the engine will race and I feel resistance on the brake .
I was told by a mechanic cleaning off the throttle plate fixes the pedal 'sticking'.