Originally Posted by Jamesb1

I had the same problem. The Nissan dealer told me the car goes into safe mode at around 200+ degrees. There is no fix for this. It's built into the ECU. I had them install an oil cooler they recommended, $1100 dollars total. The car runs full power all the time now. The oil temp stays at around 180 in city traffic and around 160 on the hwy. This will also extend the life of your engine if you like to drive hard.