I calc'ed my '91 V8 Formula Firebird to be about 18 mpg.
behind the gas tank
15.5 gallons
16.8
it is located in the gas tank.
Someone put it there.
bad gas?
it's inside the gas tank
Try adding more gas...
15 gallons
on the main gas line that goes to the injectors.
Check out autos.msn.com. They give alot of specs on used cars.
It's inside the gas tank and you have to take the tank down to get to it.