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I have a Mazda Premacy 2001. For the last 10 years I have put 95 in it. I loaned the car to a friend who has filled it up from empty with 91. Will this damage the engine and what should I do?
![Anon](/assets/aa/aa-avatar.png?m=1466990309)
Hi there,
Generally speaking, no damage will happen and you can just add 95 when you fill next and carry-on as you have been.