I just filled up my gas tank about a week ago. From then until now, I have been driving all over the place. Usually at least once a day. I should probably have 1/2 tank left, but it says that I have over 3/4. Any ideas?

You're either getting superior fuel mileage or else your fuel tank sending unit is stuck in position.How old is this car anyway?

It's a '95.

You're either getting superior fuel mileage or else your fuel tank sending unit is stuck in position.How old is this car anyway?

Put some more gas into the tank and take the car for a ride somewhere where the car gets a good vibrating and bumping. It could be that the sending unit is stuck. Beware! A tank gauge that reads errant to the full side on a low fuel level is indicative of a failing connection to the fuel pump; so have a tow plan ready.

Everywhere I go is bumpy haha. :P
Looks like I'm gonna have to take it to a mechanic to get it fixed. I hope it's not too expensive.

Put some more gas into the tank and take the car for a ride somewhere where the car gets a good vibrating and bumping. It could be that the sending unit is stuck. Beware! A tank gauge that reads errant to the full side on a low fuel level is indicative of a failing connection to the fuel pump; so have a tow plan ready.

Best consider looking at a used, known good assembly; as a pump replacement usually requires a whole tank/pump assembly. The pump alone can be a major($) chore to replace.

Being a 95 it probably will need more pieces rather than less.Removing the sender has a habit of revealing rusty gas tank tops and rusty tank straps as well.If the car is from the rust belt,count on replacing those too.

Thanks for the tips. I appreciate it!

I have a '97 Cavalier with the same problem. The car gets 430 - 440 miles per tank. After 235 miles, the gage reads 3/4 full. At 350 miles, it reads 1/2 full. In 80 - 90 miles, the gage drops 1/2 a tank. After the first and only long walk, I have painfully learned to go by the odometer rather than the fuel gage.
Thanks,