Voted Best Answer
Aug 18, 2019 - 11:09 PM
Hi there
We assume that you're talking about the current-model Sandero Stepway with the 0.9-litre turbo engine. Being a turbo engine, it's advisable to always use the highest available octane fuel (which means 95 octance). Filling it with 93 octane will result in reduced performance and increased consumption (in the best case), or could even lead to engine damage (in the worst case scenario). If it's an older (first-generation) Stepway, nothing bad will happen, and you might as well keep on using 93 in that 1.6-litre non-turbo engine.
But, seeing as you've already filled it with 93, you have one of two options: either drain the fuel from the tank and replace it with 95, or drive very gently until the 93 has been used up. Keeping the engine away from turbo boost will allow it to run safely on the lower-octane fuel, until the tank is empty enough to take a refill with 95. Even refuelling with 95 when you reach half a tank will already make a difference and help to safeguard the engine against possible damage.
In future, please remember to check what fuel the attendant is pouring into your car - they're not always aware of the differing fuel requirements of different cars.
Hope this helps!
The AskAutoTrader Team
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