Good to hear that. Try the easy stuff first. Like most of the internet, you gotta weed out the crap and til you find something that makes sense and works.
We've been pretty lucky out here(so far), always run non-top tier fuel in the entire fleet without any noticeable problems since I've been here.
View my fuel log 2014 Mirage SE wussie cvt edition. 1.2 automatic: 35.1 mpg (US) ... 14.9 km/L ... 6.7 L/100 km ... 42.1 mpg (Imp)
View my fuel log 2015 Mirage ES 1.2 automatic: 40.4 mpg (US) ... 17.2 km/L ... 5.8 L/100 km ... 48.5 mpg (Imp)