Idle Fluctuation Concern on Hyundai Genesis

Problem overview

An idle fluctuation may be noted, the Check Engine Light may or may not illuminate. Replacing the throttle position sensor and updating the powertrain control module (PCM) software will commonly correct this concern.

10 people reported this problem

5 comments

Schedule Repair

Hyundai Genesis vehicles with this problem

3 model years affected

Average mileage: 25,113 miles

(5,340 - 36,000)

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Submitted by Jim Taddei · May 29, 2025

Published by RepairPal

Idle Fluctuation Concern on Hyundai Genesis

Problem overview

Hyundai Genesis vehicles with this problem

Repairs related to this problem

Check Engine Light Diagnosis & Testing

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Search for another problem

Ask our experts about your Hyundai.