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Driving in Sport Mode Cools down engine drastically

4828 Views 12 Replies 9 Participants Last post by  SonicSid
Its getting real hot down here in Florida. Since I bought the car in Jan, I started taking note of oil temperature. I drive in stop and go traffic to work and back, an hour each way. The coolant never moves past 192 F, the oil will climb to 225 half way to work and then drops to 217 and then back up to 225 and then back down again etc... I decided to turn on Sport mode and almost instantly I notice the temperature start dropping till it reaches 199F and just stays there, all the time still in heavy traffic. Tested this 2 days in a row with exact results. Non sport mode and oil runs 217 - 225. In sport mode stays around 199F. There must be a fan or something that controls the oil temperature in Sport mode. I actually was driving in Non sport mode in heavy traffic thinking it would be cooler on the engine and I was surprised to find out was totally wrong. I wish there was workshop manual for these cars. Its nice to know what makes them tick.
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Everything is as it should :)
In sport/sport+ the car is ready for harder driving hence the low temp.
The oil pump has variable speed :)
In fact, this has been discussed in quite a few threads over the past two years.
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Wonder if these tuners like Cobb, APR, etc can work with the codes to keep the oil temps down in all modes, not just sport.
I would question whether that is a good idea, or at least whether it is necessary. Porsche set the oil cooling parameters because they thought it was fine as it is in Normal mode. Sport mode assumes you will be driving harder.
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