Milage and performance with higher octane-2012 Volvo S60 T5
I have a 2012 Volvo S60 T5. I'd like to know if there is any advantage to using higher octane fuel. I currently use regular. Would using a higher octane gas give me any worthwhile improvement in gas milage and/or performance? Is there an optimum octane?
Volvo recommended for your car/engine to use 87 octane. Using anything higher would be a waste of money.
to gain any advantage from a higher octane gasoline would require a different program in your computer.
Actully, according to the 2012 Volvo S60 T5 Manual, "Volvo recommends using premium unleaded gas for best performance, but using 87 octane or above will not affect engine reliability. Volvo engine is designed to achieve rated horsepower, torque, and fuel economy performance using premium 91 octane fuel." Chapter 06, Refueling; p. 253
In my 2012 S60, the check engine light comes on when I use premium fuel.
That sounds like a possible issue with your evap system. Do you know what codes are being thrown by the cel?
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