Question about 2001 Chevrolet Silverado 1500

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All my gauges work except fuel gauge reads on E but once in a while will move.

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  • 93 Answers

Could be the float in the tank. It may have sunk to bottom and lifting up when disturbed by a bump or something. If you can get to sending unit the connections may be loose or dirty.

Posted on Jan 15, 2013

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 2003 Chevy 2500HD Dash Gauges not working

In my case, simply removing and reseating the IPC/DIC fuse restored the gauges to full functionality.

Posted on Dec 31, 2008

  • 497 Answers

SOURCE: 2002 Chevy Suburban: Fuel gauge reads empty, tank is half full

Youre gauge is controlled by a plunger in the fuel tank which is attached to the sensor and the fuel gauge. it sounds like when the plunger goes down half way its either getting stuck down lower then it should. Needs replacing. Any mechanic can do this install for you.

Posted on Aug 27, 2009

  • 3640 Answers

SOURCE: 2004 impala fuel gauge not working

when you changed the fuel pump, did you bump the sending unit in tank. or a wire to tank may be the problem. maybe sending unit in tank is bad!

Posted on Sep 16, 2009

  • 1168 Answers

SOURCE: 2001 chevy silverado 4.8 gas gauge not working properly

Fairly common problem with GM vehicles. The sending unit in your tank has a small circuit board that an arm is attached to which moves up and down according to your fuel level. This circuit board and arm are not making good contact. Unfortunately the only good solution is to replace this part.

Posted on Oct 28, 2009

Testimonial: "thought probably that was it but better off replacing whole unit .i was for for gauge proplem thanks. "

  • 58 Answers

SOURCE: '01 chevy venture fuel gauge doesnt read correctly reads all over

fuel sending unit located on the fuel pump in gas tank

Posted on Jan 13, 2010

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1 Answer

Fuel pump wiring diagram


there is two things : fuel gauge and dash fuel gauge. The fuel gauge in tank rated to 0 to 90ohms.disconnect wire at the tank take a variable resistor connect it to wire .read the dash gauge if it move as you move the resistor. if ok fuel tank gauge is at fault

Aug 09, 2013 | 1998 Chevrolet K1500

1 Answer

I have a 1992 Mercury Grand Marquis Ls with a fuel gauge that does not work (gauge may be reversed)??? help please.


The fuel level indicating system is a magnetic type system, which consists of the sending unit located in the fuel tank, an anti-slosh module located on the back of the instrument cluster, and a fuel gauge located in the instrument cluster. The sending unit changes resistance according to the level of fuel in the fuel tank, which varies the current flow through the gauge.The pointer position varies proportionately to the current flow. In this system, the sending unit resistance is low (22 ohms) when the fuel level is low and high( 145 ohms) when the fuel level is high. The pointer of the magnetic gauge remains in position when the ignition is turned to the Off position. On some models, an anti-slosh module is used to dampen out fluctuating fuel signals from the sender. Some vehicles are equipped with a low fuel warning indicator. The anti-slosh module will also actuate the low fuel indicator when the fuel level in the tank reaches 1/16 to 1/8 full.


Do your other gauges/warning indicators work properly with the ignition on? If not, check for power at the fuse panel/fuses.

If they do then partially remove your cluster with connector still installed and check for voltage at cluster connector and gauge. Check continuity of cluster and gauge for ground.

Sometimes the anti-slosh module (if installed) goes bad in the Grand Marquis but not likely.

Sender troubleshooting:
  1. Perform test with resistors as follows:
    1. Disconnect wiring connector at sender unit, then connect resistor between gauge lead and a suitable ground.
    2. Turn ignition switch to On position.
    3. With 145 ohm resistor, the gauge pointer should contact the Full mark.
    4. With 22 ohm resistor, the gauge pointer should contact the Empty mark.
  1. Perform test with fuel sender of known quality as follows:
    1. Turn ignition to Off position.
    2. Disconnect wiring connector from sender and connect it to test sender.
    3. Move float rod away from fuel filter against Full stop position. Wait approximately 30 seconds, then turn ignition switch to On position. The gauge should read on or above the Full mark.
    4. Move float rod toward fuel filter against Empty stop position. Turn ignition switch to Off position. Wait approximately 30 seconds, then turn ignition switch to On position. The gauge should read on or below the Empty mark. If gauge works properly replace sender, which involves dropping fuel tank.

Mar 23, 2013 | 1992 Mercury Grand Marquis

1 Answer

1998 ford explorer fuel gauge stuck on empty-Not the typical suspects causing it?!?!?!


One of the wires to the sensor is touching a ground. It may be getting pinched

Mar 04, 2017 | 1998 Ford Explorer

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1997 S-10 Pickup: 97 chevy s 10 truck fuel gauge not working what co...


im not an expert but my chevy s-10s fuel gauge didnt work for like a year! and my fuel pump just went like a month ago replaced it and voila i have a fuel gauge again!

May 17, 2010 | 1997 Chevrolet S-10 Pickup

2 Answers

The fuel gauge is'nt working.I tryed to ground it


When testing a fuel guage you should disconnect the wires to it,guage should read over full,ground the float wire,turn off key then turn back on should read empty.You have to cycle the key for guage to move.If still inop the wire is broken in the harness between the tank and the dash.Voltage on the float wire is low.When tested with a test light it will barely light the light and pulsate.This test indicates the wiring is good.

Apr 17, 2010 | 1991 Chevrolet C1500

1 Answer

99 4runner Fuel Gauge has inaccurate reading


Disconnect and reconnect gauge or you can install an external fuel gauge. You can try checking for blown fuse or ground connection.

Jun 10, 2017 | Toyota 4Runner Cars & Trucks

1 Answer

2002 monte carlo fuel gauge doesnt work,pump works ok.


It is likely the fuel level sending unit. I had a customer with an 03 Monte Carlo that the pump went out and the fuel gauge hadn't worked in about a year. We replaced the fuel pump module and it took care of both problems. I believe the sending unit is available separately from the complete module.

Jan 10, 2010 | 2002 Chevrolet Monte Carlo

1 Answer

Fuel gauge faulty / gives weird levels of fuel


The fuel level sensor is bad. The tank will have to be taken down to replace the level sensor. There is little fingers on the resistor that wear down and loose contact causing the gage to read incorrectly.

Dec 12, 2009 | 1999 Chevrolet Malibu

1 Answer

Gas gauge is moving back and forth.


hello! there, fuel gauge not accurately reading or registering your actual fuel,this can spend costly so much on refueling of gas due to worries on drying of tank.there are factor to check on fuel sensor this maybe malfunction,or check the fuel lever sensor this was located on your fuel tank,This should be done on car service center
not by yourself this is due to hard work besides fuel is flammable in small spark of igniton by a certain object.be sure to take all necessasry precaution on doing this.so its beteer qualified mechanic to this.thanks and regads..

Mar 28, 2009 | 2006 Chevrolet Trailblazer

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