Erratic Idle Speed and Increased Accelerator Pedal Effort on Infiniti QX4

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.

RepairPal Verified
Average mileage: 160,832 (115,000–220,870)
Engine affected: 3.3L V6
5 model years affected: 1997, 1998, 1999, 2001, more2002
8 people reported this problem
4 people shared problem details
1997 Infiniti QX4- 3.3L V6176,000
I was told by a mechanic cleaning off the throttle plate fixes the pedal 'sticking'.
1997 Infiniti QX4- 3.3L V6131,458
I notice this when stopped the engine will race and I feel resistance on the brake .
2001 Infiniti QX4- 3.3L V6220,870
Idel prablame
2002 Infiniti QX4- 3.3L V6115,000
The RPM revved up to 5000 - cannot stop even if I press the brakes, very hard. Have not fixed it yet, don't know if it is the throttle body (I cleaned it already) or the piece next to it. Alex (973) 951-5385
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