i have a 96 integ ls i dont know whats wrong with the gas meter but i fill 9 bucks worth of gas and it barely raises . and its back down to E on 40 miles hella bad gas mileages . have you guys had any problem like this in the past ? and how did you fix it k thanks

 

k thanks but what if its the gas meter thats broken

 

The method above should give you some indication of whether or not your gas gauge is reading the right fuel level.