Problem Reports
Hyundai Genesis 3.8
Report: Idle Fluctuation Concern
Hyundai Genesis 3.8 Problem
4 Reports
Model Years Affected: 2009, 2010
Average Mileage: 35,000 mi (34,000 mi - 36,000 mi)
Verified
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.
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genesis3.8-2009, 2009 Hyundai Genesis 3.8, 36,000 miRookie
The idle is unsteady, goes below 500 rpm at stops in traffic and fluctuates and sounds like it will stall out. Technician reloaded software and still hasn't fixed problem yet. Taking it back for service again to fix problem.
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