27 octane gas is recommended but I'm using 25

colinm88colinm88 Member Posts: 2
edited May 2014 in Hyundai

Hi, I simply want to know if I'm doing the car damage or harm in any way.
The manual recommends 27 octane gas but I've been putting 25 in instead.
Thanks
C~

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Comments

  • colinm88colinm88 Member Posts: 2

    FYI i live in Colorado with high altitude..

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