Everytime i fill my tank the gas gage only goes up to just below 3/4th and it goes down apropriately but once it hits 1/4th it goes down to what it is when the car is shut off, I don't understand what's wrong, am i not putting enough gas in? or is there something wrong with the sending unit or something wrong with the gauge? it's a 2000 blazer lt
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the float in the tank has got stuck. open the cover and hit the top of the tank a few times see if it pops off. happens if you don't fill the tank up for a long time. if it dont go back you need to get into the tank to put it back. some times the wire for the tank sender get caught up on the float and make it not move any more.
Moisture could have gotten in your tank and cause a "dead connection" spot on your intank gauge. Being a 94 it prob has seen many tanks of gas. while filling the float raise up, and usage of gas it goes down. the motion may have worn some of the connection off. Not a hazard, just annoying. To fix, you would have to replace your sending unit.
hi it is proble emty at 1/4 tank your gage is proble off try at 1/4 tank to fill tank all the way up an check an see if how many gal. you put in it an check your owners manual to see what size tank an that will show you if the gage is off !
This is a common problem with Malibu's. It is due to cheap metal in the fuel gage that corrodes. Chevrolet knows about this but they refuse to issue a fix. The check engine light staying on and the faulty fuel gage are related. This is a defect and they need to recall this part! Raise hell with the dealership!
your fuel pump/fuel gauge assembly are mounted in top of your gas tank probably when you overfilled it popped loose jamming your fuel gauge you will need to drop your tank down and check this (make sure you empty tank first if not its a heavy load )inspect fuel guage assembly for damage and probably just reinstall if not damaged good luck hope this helps you