Question about 1994 Cadillac Fleetwood

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Fuel gauge not working

Recently had fuel pump replaced and now the fuel gauge always register full

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Try filling half full then reverse pretty fast then slam on the brakes or drive forwards and slam in breaks may push the plunger to correct position if not then have the mechanic pull back out and fix the gauge arm"looks like a bent coat hanger with a plastic piece on the end"

Posted on Feb 16, 2014

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6ya6ya
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Posted on Jan 02, 2017

  • 22 Answers

SOURCE: gas gauge always registers full and range

Fuel level sensor in tank is stuck or becoming corroded.

Posted on Nov 10, 2009

bluebirdmate
  • 1190 Answers

SOURCE: 1981 Cadillac with digital displays. The fuel

Hello: This could be the fuel level sensor is not connected or the sensor assembly was damaged or bent when assembly was reinstalled or the fuel pump was not installed on the sending unit correctly.

Posted on Dec 25, 2010

Mr BrokRench
  • 1623 Answers

SOURCE: I have a 1985 cadillac eldorado What would make

The fuel pump sending unit is most likely defective or out of calibration. It could of got bent or damaged when the pump was replaced & may need to be adjusted. Hope this helps.

Posted on Jul 04, 2011

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1 Answer

Why does my fuel gauge always register full in my


Open wire or the sender is open, ground the sender wire as close to the pump as possible. If the gauge goes to empty then your sender is at fault. If it remains at full then the wire from the sender to the guage is open.

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2000 Dakota quad cab fuel gauge wont work, jumps to full when started, fuel pump has been replaced. What next?


Check for a frayed wire touching metal and grounding out. The gauge works on resistance and it registering full indicates a short to ground. Either that or your gauge itself is bad.

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Fuel gauge registers full when ignition is switched on


Bad fuel sender unit or fuel sender wiring

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Put in new fuel pump and sending unit. but my gas gauge doesnt always work. sometimes is does and sometimes it doesnt


if it worked for a short period of time after doing the pump/sending unit the check the connections going to the pump/sending unit they would have been moved around doing the pump

Aug 11, 2012 | Cars & Trucks

1 Answer

I just replaced the fuel pump in my 1996 explorer and fuel filter and put 5 gals of gas back in the tank now the fuel guage is registering full and will not work


Eewww. That's not good. And you're not going to like what I say. I think you bent the fuel gauge sender unit, or misaligned something when you put it back in tank. Try unplugging the connector and plugging it back in. See if that helps the gauge to register right. Here's a quick check to see if your dash gauge is working right: Unplug connector again at tank and use a jumper wire to ground the dash gauge sender wire. With key turned to on and the fuel gauge wire grounded, the gauge should jump up to half or full. If it does, there's a problem with your sender unit in the tank.

Nov 07, 2011 | 1996 Ford Explorer

1 Answer

FUEL GAUGE DOES NOT REGISTER PROPERLY. AFTER IT DROPS FROM FULL IT MIGHT REGISTER 3/4, 1/2 1/4 AND THEN JUMP AROUND FROM ONE TO THE OTHER. THE FUEL PUMP HAD BEEN REPLACED APPROX. ONE YEAR AGO AND THE...


This issue sounds like a sending unit issue, which is part of the fuel pump/gauge assembly.There is really little to do in terms of repair, as replacement is the normal fix. You could check the connections, (not so easy) but the description sounds like a damaged winding on the gauge sender.

Feb 05, 2011 | 1995 Lincoln Town Car

1 Answer

Fuel gauge not give proper reading.. register full


Sorry to say,but the fuel sending unit is the problem,the fuel tank will have to be lowered out of the vehicle to replace the unit.If the fuel sending unit is not available by itself you will have to replace the whole fuel pump assembley.

Oct 14, 2009 | 1999 Buick Regal

2 Answers

Fuel gauge stuck on full for my 2000 ford taurus SE


it is probbally the fuel pump in the gas tank. It has a float like the one in your toilet and a sensor attached to it to tell you how much gas you have.

Aug 08, 2009 | 2000 Ford Taurus

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