Since I bought my used truck in 2001 its fuel gauge is always showing a full tank of gasoline. Sofar it did not bother me, because I keep a log and I pump about 10 gallons of gas every 250 miles. Just out of curiosity I am wondering how I would fix the fuel gauge to display the actual gasoline level.
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Gas as in gasoline or gas as in LPG gas? If its petrol, the fuel sender may be out of adjustment. (Usually means a new sender) If its LPG, the fuel stations are set to automatically shut off at 80% full. The gas tank will never actually be full to the brim but the gauge should be showing full if the gas nozzle keeps shutting off. Have a look on the LPG tank itself, they have a little gauge on them which shows how full it is. I have 2 tanks on my car , when "full" or when the pump shuts down, the tank gauges show just under full but the gauge on the cars dash shows full (2005 BA Ford)
The problem is in the fuel sender unit in the tank. It sounds like the float part of the sender unit is binding when it's at the top (when tank is full) and hangs up there till it falls back down when tank is near empty. It will likely have to come out to be checked, fixed, or replaced. Good luck.
Hi, the problem is in the sending unit located at your gas tank. I believe it is on the top of your tank, and you will need to remove either the rear seat to get to it, or what ever is directly over the tank. It may have a bad wire connection at the float assembly and sending unit that tells your gauge the amount of fuel is in the tank. If you are not sure, pick up a manual at any auto parts store, Chiltons, Haynes which will guide you through it.Your gauge is OK, it will be the sending unit that tells the gauge. I wish you the best on this, Shastalaker7
Your fuel gauge sending unit is bad. Common on this model GM cars. The sending unit is in the gas tank and is part of the fuel pump assembly. Sulphur in the gasoline eats away at the contact points in the sending unit which causes it to fluctuate. Unless you are daring, this is NOT a job for a do-it-yourselfer... You may have to drop the gas tank to get at the fuel pump...Some models have an access plate in the back seat/trunk area that you can lift the fuel pump out of.
Good Luck and BE CAREFUL...... gasoline is dangerous...
Problem number one. The circuit that powers up your data link connector (where you plug the code reader into) is the cigarette lighter fuse. Check that fuse to make sure it is not blown. Second problem: You more than likely need to replace your instrument panel cluster.