Question about 1995 Chevrolet S-10 CA Edition

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Fuel gauge fluctuates on 1995 chevrolet tahoe

Recently replaced the gas tank and fuel sending unit and now the fuel gauge fluctuates

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  • Anonymous Mar 19, 2014

    When going up a steep hill the gas gauge needle drops to empty and the low fuel light on the dash comes on even thought there is a half a tank of gas in the Tahoe. This is a 2005 Z71 and has 109,000 miles on it.

  • Anonymous Mar 29, 2014

    how to wire up gage to sending unit

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3 Answers

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If you replaced the tank and all i assume you didnt change the fuel pump. if you dint then all thats wrong is that the float on the fuel pump is gas logged and will move more than if you had put in a new pump thus the fluctuation in the guage.

Posted on Jan 28, 2009

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Could be bad ground, or loose connection.

Posted on Jan 28, 2009

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Make sure all connections are tight. sounds like a ground problem. or flote in tank is not working right or catching on something.

Posted on Jan 28, 2009

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My son has a 2000,4wd,1500 silverado, club cab and the gas gauge fluctuates so can never depend on how much gas is left


May need to replace fuel level sending unit, sometimes it is a seperate purchase amd sometimes you may have get fuel pump module assy, which comes complete

Mar 12, 2015 | 2000 Chevrolet Silverado

1 Answer

Fuel guage on chevrolet 2001 fluctuates


sounds like a fuel sending unit issue from your description.
see if this fits the bill.

Link Here!!

that is for the

2001 - 2003 Chevy Silverado 2500 Fuel Tank Sending Unit for V8 8.1L

good luck.

by the way the issue may be one or more things to be honest. the fuel in the tank may be moving around and as it shushes from side to side the electrical resistance in the variable potentiometer of the fuel sending unit will either increase or decrease.

an example would be a full tank of gas will cause a floater attached to a lever to float to the top of the gas tank. now as the gas gets lower the level wil drop and so will the float. now remember it's attached to a pot so as it moves it's electrical value decreases. and the gas gauge reads the value as a fuel level.

if the gauge dose not move when the vehicle is idle then id say it;s just the gas moving around within the tank. it's worth a shot to test this before spending any money on it.

good luck.

Oct 15, 2012 | 2001 Chevrolet Silverado 2500

1 Answer

Gas gauge goes full emty full emty gaugegenerly reads full but latly its up and down truck runs then wont


You need to test the gauge and the sending unit in the gas tank itself. In most cases I find this is the sending unit in the tank. Unfortunately, that is usually combined with the fuel pump in 1995 and newer vehicles which means you have to replace the whole unit. If you have 2 opening to your tank with wires coming from both you have a separate level sending unit from the fuel pump. If there is only one they are combined. Check for shorts on those wires.

Jul 29, 2011 | 1999 Chevrolet Silverado 1500

3 Answers

2004 z71 tahoe when the gas gauge is at a quarter of a tank it won't crank. It acts like it is empty with gas.


Check your fuel filter if it needs replacement. Empty it out then connect it back. Try to start it again. Inspect the fuel filter if it filled with gasoline. Check if there is noise at the fuel tank to check if the pump is working. If it did not, inspect the fuse for your fuel pump and the relay. If both are good you may connect the fuel pump directly to the battery to see if it works. It may be a bad wiring.

May 08, 2011 | 2004 Chevrolet Tahoe

3 Answers

I just bought a 98' Tahoe and the gas/fuel gauge does not work. Checked the fuses and tried a new one for the gauges fuse and the gauge worked but then went back to empty. When I removed the fuse the...


The computer does a sweep test everytime it senses power. Check it next time you turn the key to run the gages do a little self test. However the fuse and gage won't be your problem. They are very bad for the fuel level sensor in the tank getting corrupted or dirty and doesn't read properly. You can try to add port fuel injector cleaner to the tank, but problem will usually reoccur. You will need the fuel tank dropped and the level sensor replaced.

Jan 31, 2011 | 1998 Chevrolet Tahoe

1 Answer

When there is about 6 gallons of gas the vehicle shuts down


The fuel sending unit is probably bad. are you sure that there is gas in the tank, or are you going off the gauge.if the sending unit is bad the tank could be empty and the gauge would read partly full... any way you cut it the pump has to be replaced. if the pump is getting weak it may not pump unless there is enough gas. the pump and the sending unit are all one piece. so just replace it.

Mar 25, 2010 | 1995 Chevrolet Blazer

2 Answers

Why is my fuel gauge on my 2000 chevy tahoe moving


I think so too. May be sulfur from the fuel on the resister card that the wiper travels over. Try adding some Chevron Techron fuel injector cleaner to 1/4 tank of gas and see if it gets better.

Feb 24, 2010 | 2000 Chevrolet Tahoe

1 Answer

98 bravada gas gauge fluctuates rapidly from E to


sound like a problem with your sending unit inside the gas tank with fuel pump or gauge in dash defective but with GM usually it is the sending unit

Jun 13, 2009 | 1998 Oldsmobile Bravada

1 Answer

Fuel guage does not work 1999 Chevy Tahoe


the 100% for sure cause of this problem is the sending unit for the fuel guage, it is located in the gas tank. U may have to replace the fuel pump module to get the sending unit, as a rule they are one piece, if u have over 100,000 miles that is a good idea anyway.

Mar 07, 2009 | 1999 Chevrolet Tahoe

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