NISSAN SUNNY ENGINE POOR MILEAGE

I Want To Find Out How Much My Car Can Drive With One Litre Fuel I Bypassed The Fuel Tank And Fitted One Liter Gallon Filled With Fuel I...

My Nissan Fb 14 Has A Ga 15 (de) Engine. The Car Is Auto Gear And It Doesn't Pick Up Well. Petrol Consumption Is Also Very High. Very...