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Infiniti QX4 Problems

Check Engine Light With Throttle Position Switch Fault Codes on Infiniti QX4

Problem Description and Possible Solution

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.

(3 people reported this problem)

Infiniti QX4 Vehicles With This Problem

RepairPal Verified
Average mileage: 243,000 (243,000–243,000)
2 model years affected: 1997, 1998
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Brake problem? Or maybe a faulty head gasket cylinder?
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