Which Fuel should I use?

Asked by NancBlades Nov 13, 2020 at 01:35 PM about the 2015 Ford Focus ST

Question type: General

I purchased a used 2015 Ford Focus
HATCHBACK SE. inside the gas fill door it
says “E-85”. However; the owner’s manual
says to use 87 octane lead-free gasoline. Can
I switch between the two fuels?

1 Answer
158,505

James answered 4 years ago

You can. The fuel cap is telling you the vehicle can use E85 fuel OR 87 octane unleaded gasoline. Hope that helps! Jim

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