Not the Owner's Manual but the service manual. Check here:
Hope this helps. I'm not sure of the origin of this site but I have found it helpful.
I don't feel comfortable giving advice about working on the fuel system over the internet. I hope you too are careful about proceeding with this endeavor as there can be a lot of bad advice out there.
Especially if it's not necessary in the first place.
View my fuel log 2015 Mirage ES 1.2 manual: 50.1 mpg (US) ... 21.3 km/L ... 4.7 L/100 km ... 60.1 mpg (Imp)