Just filled up the tank with 91 octane premium fuel - Toyota Yaris Forums

The Spectacle · 08-20-2011, 12:36 AM

I'm digging this up from the dead rather than creating my own thread because I'm sure it would just spiral down the same road.

I've just filled up my tank with 89 after 3 years of nothing but the 87 and there is DEFINITELY a difference in throttle response and midrange power. I'm still a bit shocked myself but its there.

I read through a few of these responses and its clear that not many of you know how knock sensors and timing retard/advance work. That's all well and good but I just want to state for the record that Yaris behaves slightly different if you put higher octane in it.

08-20-2011, 12:36 AM	#26
The Spectacle View User's Garage Drives: 08 BSP LB Join Date: Oct 2008 Location: Tampa, FL Posts: 218	I'm digging this up from the dead rather than creating my own thread because I'm sure it would just spiral down the same road. I've just filled up my tank with 89 after 3 years of nothing but the 87 and there is DEFINITELY a difference in throttle response and midrange power. I'm still a bit shocked myself but its there. I read through a few of these responses and its clear that not many of you know how knock sensors and timing retard/advance work. That's all well and good but I just want to state for the record that Yaris behaves slightly different if you put higher octane in it. __________________ Last edited by The Spectacle; 08-20-2011 at 12:56 PM.

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