1990 Buick LeSabre "check fuel tank sending unit" Questions

...unit (located inside of fuel tank) Check to see if guages are on a fuse,look at fuse block,or opperators manual. Bad ground on tank? Bad sending unit. bad fuel gauge, open in wiring to the guage

...check fuel pipe connector for visual leaks For this model, you have to drop the fuel tank to enable you replace the bad fuel pump. Good luck. Hello, my name is Ben. I'm sorry to say, yes you need to ...

...check mode, if it fully sweeps than the cluster is ok, I would suspect it needs a fuel level sending unit which is located in the fuel tank as part of the fuel pump modual but usually can be serviced ...

...check the operation of the sender unit in the fuel tank.A stepper fan? I'm not sure I know what you're talking about there.  Sounds like you will need a new fuel sending unit.That's ...

...check your work. The most probably could be a corrosive fuse link connection on the fuel gauge side (causing low voltage) or a ground fault from the sender unit/fuel pump unit somewhere on the fuel ...

...check engine light comes on. tested with guage it read 31. is it the unit or the fuel pump? Look in the trunk to see if there is a round cover on the floor of the trunk. If there is then you'll have ...

check the fuel pressure.Just because the tank is full does not mean you are getting fuel pressure.The pressure has to be 48-54psi.Nothing under 48psi.This is with the key on and engine off.If pressure

...check the stuff The bouncing is cuased by a fault fuel sending unit located in the gas tank. Sometimes you can change just the sender but you'll probably have to get it from your local dealership. ...

...check them out good first) if the guage needle does not move - the float on the fuel pump assembly is stuck - if it just reads the wrong level - the float arm could have gotten bent putting pump back ...

...tank. if there is and i suspect that there is because the fuel pump works so either your float is stuck or the guage itself is bad these are your options to check out... please rate ...