Rough idle or hard start when cold on Hyundai Genesis 3.8

A rough idle or hard starting condition may develop, most noticeable when the engine is cold, with fault code P161B stored in the powertrain control module (PCM). Our technicians tell us that a PCM software upgrade is available to correct this concern.

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Average mileage: 81,000 (75,000–87,000)
3 model years affected: 2009, 2010, 2011
5 people reported this problem
1 person shared problem details
Keep getting the famous comment that its normal! When it sounds as if a piston is about to shoot through the hood of my vehicle, I consider that abnormal! I have it documented 10 times, it is out of warranty however. No one would purchase a vehicle that they felt the need for a remote start, so that no one is in it when it blows up! Not talking about the engine, either! lol
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