The problem you are having can be caused by any of the following :
Circuitry
Fuel pump module
Fuel level sensor
Fuel tank
Instrument cluster
If you are sure the sender is ok then you most likely have a cluster concern or the circuitry to it.
Fuel gauge jumps from empty to full?
http://schematicsdiagram.blogspot.com/2011/12/fuel-gauge-jumps-from-empty-to-full.html
How to relieve fuel pressure?
http://technoanswers.blogspot.com/2012/01/how-to-relieve-fuel-pressure.html
Refueling problem?
http://repairhelpcenter.blogspot.com/2012/01/refueling-problem.html
http://repairhelpcenter.blogspot.com/2012/01/toyota-tercel-consuming-more-fuel.html
How to maximize fuel economy on your vehicle?
http://schematicsdiagram.blogspot.com/2011/11/how-to-maximize-fuel-economy-on-your.html
Fuel pump relay and cooling fan relay troubleshooting on 1997 ford thunderbird?
How to Increase gas mileage on 2011 2500HD Duramax 6.6?
How to Test and Replace Fuel Injectors on Acura Car Models?
How to replace Fuel Tank Assembly?
FUEL LINES AND FITTINGS on Acura Car Models?
Replacing Fuel Charging Assembly on Car?
How to replace Fuel Pressure Regulator on Acura Car models?
How to test Fuel Pressure and replace Fuel Pump on Acura Car models?
Car will not take fuel into the fuel tank?
http://repairhelpcenter.blogspot.com/2012/01/car-will-not-take-fuel-into-fuel-tank.html
PGM-FI Main Relay on Acura Car models?
How to Relieve Fuel System Pressure on Acura Car Models?
HOW TO CLEAN A FUEL SYSTEM
HOW TO REPLACE A FUEL TANK
HOW TO REPLACE A FUEL TANK CAP
HOW TO REPLACE A FUEL PUMP ASSEMBLY
Time to replace Fuel pump on 1998 Ford Explorer?
Emergency fuel shut switch on Ford car?
How to jump fuel pump On Chevrolet Silverado 1500?
Car won’t start when cold?
Car won't start after sitting overnight?
Car loses power while acceleration?
Fuel leaks from fuel pulsation dampener on
Car will not allow to put fuel?
Adding performance chip to increase Fuel mileage MPG?
How to test Electric fuel pump on GMC
http://technoanswers.blogspot.com/2012/01/how-to-test-electric-fuel-pump-on-gmc.html
Circuitry
Fuel pump module
Fuel level sensor
Fuel tank
Instrument cluster
If you are sure the sender is ok then you most likely have a cluster concern or the circuitry to it.
This details will help.
See the latest related solved problems :----
Fuel gauge jumps from empty to full?
http://schematicsdiagram.blogspot.com/2011/12/fuel-gauge-jumps-from-empty-to-full.htmlFor more Fuel/gasoline related help, follow the list mentioned below: -----
How to relieve fuel pressure?
http://technoanswers.blogspot.com/2012/01/how-to-relieve-fuel-pressure.html
Refueling problem?
http://repairhelpcenter.blogspot.com/2012/01/refueling-problem.html
Toyota Tercel consuming more fuel?
http://repairhelpcenter.blogspot.com/2012/01/toyota-tercel-consuming-more-fuel.html
How to maximize fuel economy on your vehicle?
http://schematicsdiagram.blogspot.com/2011/11/how-to-maximize-fuel-economy-on-your.html
Fuel pump relay and cooling fan relay troubleshooting on 1997 ford thunderbird?
How to Increase gas mileage on 2011 2500HD Duramax 6.6?
How to Test and Replace Fuel Injectors on Acura Car Models?
How to replace Fuel Tank Assembly?
FUEL LINES AND FITTINGS on Acura Car Models?
Replacing Fuel Charging Assembly on Car?
How to replace Fuel Pressure Regulator on Acura Car models?
How to test Fuel Pressure and replace Fuel Pump on Acura Car models?
Car will not take fuel into the fuel tank?
http://repairhelpcenter.blogspot.com/2012/01/car-will-not-take-fuel-into-fuel-tank.html
PGM-FI Main Relay on Acura Car models?
How to Relieve Fuel System Pressure on Acura Car Models?
How to Replace a Fuel Injector
How to Replace a Fuel Pressure Regulator?
How to Replace a Fuel Pump?