Can I get higher mileage driving in sport mode?
2018 Focus SEL
Is it ok if the clutch is slipping in gear 1 and 2?
1. No.
2. No.
Is it ok if the clutch is slipping in gear 1 and 2?
You need a new clutch.
Can I get higher mileage driving in sport mode?
Obviously no.
Is it ok if the clutch is slipping in gear 1 and 2?
Not unless you want to fry the internals.
BTW, I've addressed your post previously, has everything you need to know.
https://carkiller.com/scottykilmer/qa/third-clutch-2018-focus-sel/#post-244179
GO GET IT REPLACED UNDER WARRANTY AND DUMP THIS ABSOLUTE PEICE OF JUNK!!!
The other option is to replace and complain until Ford agrees to buy back the pile of trash they call a car.
(Am saying that as someone who has owned a Focus with the, nickname PowerSh** (As in PowerShift))
Thanks for the knowledge...