It should run on 91-octane fuel without pinging; the knock sensor should ensure that it doesn't occur. Running it on higher-octane fuels makes it less prone to pinging, and again the knock sensor ...

My 2021 Kia Seltos two-litre pings when pushed. It’s okay up to about 4500rpm but from there on it pings as it starts to rev out. It does it in all drive modes. Kia says nothing is wrong with it (no ...