Question about 1993 Cadillac Fleetwood

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Drop Fuel Tank,pull out pump and sending unit
from top of tank

Install new sending unit

Posted on Mar 16, 2011


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1 Answer

How do I fix my broken gas gauge?

Either the wire going to the tank has no power going to it or the gauge in the dash shorted out or the fuel pump sending unit had failed.take it to your mechanic and have him check it out

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1993 mitsubishi montero rs fuel gauge doesnt work

in alot of cases it is a ground issue in the wiring system. would try moving them around some by the tank and see if this helps to find the one and yes in alot of cases you have to drop tank but not all the way. just enough to check wires. fuse that runs gas gauge runs all gauges....hope this helps some and good luck.

Aug 13, 2012 | 1993 Mitsubishi Montero

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Gas gauge not working

Since the guage moved, your wiring to your pick up is still good. Bad news is that if it doesn't move or moves all at once from full to 1/4, your float sensor is probably sticking or just bad. To clean or replace it would require you to drop the tank and pull the sending unit out. Sorry.

Dec 04, 2011 | 1993 Cadillac Fleetwood

2 Answers

Cadillac sts 1993 4.6 northstar: when my fuel tank was under 1/4 of gas the car transmition stay in first gear ans the speed gage dont work good.and wen i make a big turn the car stall please help...

The gas gauge is off. The buzz you hear is you fuel pump the pump is a assembly and is quickly draining out.Now for this to stay in first gear and not shift and speed gauge doesnt work. Lets fix that.when the fuel pump works it pressurize the line,it does this so you dont get what they used to call in carburator lines vapor lock. because your loosing fuel and taking in air you now have vapor lock (hence the buzz) fuel isnt pressurized and you are just getting enough to accelerate. so when you turn you run out of fuel and stall at this point .Avoid uphills ,then you ll stall uphill and turns. okay for the speedometer to go out ,Thefuel sending unit recieve a ground resistor value in the gauge you have what they call a voltage regulator in the dash, this regulator does exactly what it means there it displays temperatur value and gas level a change resistant value now short the speedometor and it shorts it out and flat lines it.

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3 Answers

Gas gauge is not reading correctly. Shows a full

the problem is caused by a defective gas gauge sending unit, this part is located inside the gas tank, you must remove the gas tank to replace it.

Dec 02, 2009 | 2002 Cadillac Deville

1 Answer

1993 Jeep Grand Cherokee gas gauge reads empty but tank is full.

Fuel level sending units are known to go bad on these.

Jun 13, 2009 | 1999 Jeep Grand Cherokee

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