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Jullian Peterson
Jullian Peterson Posted on Apr 16, 2019
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2012 f150 xlt fuel gauge problem reads full when I turn it on whats the problem??

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Lorenzo Rodriguez

Lorenzo Rodriguez

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  • Expert 71 Answers
  • Posted on Apr 16, 2019
Lorenzo Rodriguez
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Problem is inside the fuel tank. Either a stuck float or bad sending unit.

5 Related Answers

s60six

  • 328 Answers
  • Posted on Jan 16, 2009

SOURCE: fuel gauge reads full all the time

your ground wire from your fuel tank to the chassis has come disconnected

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Greg Mills

  • 497 Answers
  • Posted on Aug 27, 2009

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.

Anonymous

  • 2 Answers
  • Posted on Oct 30, 2009

SOURCE: gas gauge reads full when underway. However, when

Most likely it a bad fuel level sensor on you fuel pump. You will have to replace the fuel pump as that is the only way to replace the sensor for you fuel gauge. The sensor is built into the fuel pump. The contacts on the sensor become corroded over time and cause the sensor to malfunction causing your fuel gauge to read full all the time. I have a 2001 Montana extended version that had the same problem. In order to know when I needed to fill the tank, I would completely fill it each time I put fuel in and reset my trip odometer. I would go 400 miles on the tank before I would refuel until we were able to replace the fuel pump.

Anonymous

  • 678 Answers
  • Posted on Jan 10, 2010

SOURCE: 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.

Testimonial: "Works Perfect Now:::Thnks"

Norman Green

  • 312 Answers
  • Posted on Jan 21, 2010

SOURCE: fuel gauge problem

LOOK FOR A BROKEN GROUND WIRE. TOUCH WIRE FROM SENDING UNIT TO GROUND AND SEE IF GAUGE GOES TO EMPTY. IF IT DOSE THEN YOU'LL NEED TO REPAIR THE BROKEN GROUND WIRE TO SENDING UNIT.

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Related Questions:

0helpful
1answer

I am having trouble with my 2012 f150 xlt fuel gauge it reads full when I turn it on and I checked the fuses and the wiring and its not it what is the problem???
Float inside the fuel tank stuck or bad sending unit, also inside fuel tank.
Read full answer
Apr 16, 2019 • Cars & Trucks
0helpful
1answer

Fuel indication does not work
Look for the obvious first - is there a fuse on that gauge ? Is the wiring ok between the gauge and the sender? Is the sender working at all - the latter is nothing more than a variable resistor connected to an arm with a float. Find out what the reading should be for the gauge with a full tank. If you measure and it is no where near that then the gauge itself is at fault.
Read full answer
Sep 07, 2015 • 2012 Ford E-350 Super Duty XLT
0helpful
1answer

Why is gas shooting out of gas cap?
you have 2 options
1--- put the fuel return line into the tank you are using
2--- install a balance line between tank 1 and tank 2 so that the fuel back to tank1 is allowed to balance back into tank 2

properly set up the tanks should be connected so that the fuel gauge reads the total fuel in the tanks and there is a need for only one fuel pump
Read full answer
Nov 09, 2017 • 1990 Ford F150
0helpful
1answer

Ford truck
Do you have 2 gas tanks?
Read full answer
Jun 21, 2017 • Ford F-150 Cars & Trucks
0helpful
2answers

Fuel sending unit for a 89 ford f150
needs change the sensor in the fuel tank
Read full answer
May 05, 2013 • 1989 Ford F 150
0helpful
1answer

Guages not working,
If all voltages checked ok,then most probably its faulty instrument cluster board on which gauges are connected.Yes if cluster circuit board looks ok,then also it can be faulty.Somewhere there is minute short or burn on board then such prolem arises.
Also check the fuse box.One under hood and other under dash.Inspect each and every fuse and see if all are fine or not.
---------------For more troubleshooting on these cluster gauges i suggest you to refer the list of help links mentioned below.Its step by step instructions will help you to confirm the exact cause of problem in these conditions:---------
Click the link below:------

2004 Toyota Tundra: Oil Gauge and Temp Gauge Not Working?

http://howtobyme.blogspot.in/2012/05/2004-toyota-tundra-oil-gauge-and-temp.html

--------------

2005 Lexus SC430: Fuel Door, Dome light and Fuel Gauge Fuse Location?

http://howtobyme.blogspot.in/2012/05/2005-lexus-sc430-fuel-door-will-not.html
----------

Toyota 4Runner: Temperature Gauge Sensor

http://technoanswers.blogspot.in/2012/04/toyota-4runner-temperature-gauge-sensor.html
------------

Temperature gauge sits over half way mark?

http://schematicsdiagram.blogspot.in/2012/04/temperature-gauge-sits-over-half-way.html

---------------

Heater blows intermittently and temp gauge goes erratic?

http://technoanswers.blogspot.com/2012/01/heater-blows-intermittently-and-temp.html

----------

Temperature gauge does not move and no heat when heater is ON?

http://technoanswers.blogspot.com/2012/01/temperature-gauge-does-not-move-and-no.html

-----------

2003 Pontiac Grand Prix: Erratic Fuel Gauge?

http://technoanswers.blogspot.in/2012/06/2003-pontiac-grand-prix-erratic-fuel.html


-----------

Temperature gauge keeps fluctuating up and down close to red?

http://technoanswers.blogspot.com/2012/01/temperature-gauge-keeps-fluctuating-up.html


-------------

Temperature gauge on the dash quit working on Pontiac Grand Prix?

http://technoanswers.blogspot.com/2012/01/temperature-gauge-on-dash-quit-working.html

---------------

Fuel gauge jumps from empty to full?

http://schematicsdiagram.blogspot.com/2011/12/fuel-gauge-jumps-from-empty-to-full.html

--------------

Gas gauge stuck on empty on 2002 Mercedes Benz 240c?

http://repairhelpcenter.blogspot.in/2012/02/gas-gauge-stuck-on-empty-on-2002.html
---------------

• Oldsmobile Temperature Gauge Lamp Switch?

-----------------


Fuel gauge drops to Empty?

http://technoanswers.blogspot.com/2012/01/fuel-gauge-drops-to-empty.html

----------------

Dodge neon gauges not working?

http://technoanswers.blogspot.in/2012/02/dodge-neon-gauges-not-working.html

------------


Temperature gauge went up?

http://schematicsdiagram.blogspot.com/2011/12/temperature-gauge-went-up.html

------------

Temperature gauge stays At cold on jaguar?

http://technoanswers.blogspot.in/2012/02/temperature-gauge-stays-at-cold-on.html
-----------


How to replace Instrument panel and dashboard on Toyota car?

http://repairhelpcenter.blogspot.in/2012/02/how-to-replace-instrument-panel-and.html

-----------

How to remove instrument panel on Chevrolet car?

http://technoanswers.blogspot.in/2012/02/how-to-remove-instrument-panel-on.html

-----------

How to remove control panel on Buick regal?

http://howtobyme.blogspot.in/2012/02/how-to-remove-control-panel-on-buick.html
---------------
These details will help.Thanks.
Read full answer
Nov 28, 2012 • 2000 Mitsubishi Lancer
0helpful
1answer

No guages working

If all voltages checked ok, then most probably its faulty instrument cluster board on which gauges are connected. Yes if cluster circuit board looks ok, then also it can be faulty. Somewhere there is minute short or burn on board then such problem arises.


Also check the fuse box. One under hood and other under dash.

Inspect each and every fuse and see if all are fine or not.


---------------

For more troubleshooting on these cluster gauges I suggest you to refer the list of help links mentioned below. Its step by step instructions will help you to confirm the exact cause of problem in these conditions: ---------


Click the link below: ------


2004 Toyota Tundra: Oil Gauge and Temp Gauge Not Working?

http://howtobyme.blogspot.in/2012/05/2004-toyota-tundra-oil-gauge-and-temp.html

--------------

2005 Lexus SC430: Fuel Door, Dome light and Fuel Gauge Fuse Location?

http://howtobyme.blogspot.in/2012/05/2005-lexus-sc430-fuel-door-will-not.html

----------

Toyota 4Runner: Temperature Gauge Sensor

http://technoanswers.blogspot.in/2012/04/toyota-4runner-temperature-gauge-sensor.html

------------

Temperature gauge sits over half way mark?

http://schematicsdiagram.blogspot.in/2012/04/temperature-gauge-sits-over-half-way.html

---------------

Heater blows intermittently and temp gauge goes erratic?

http://technoanswers.blogspot.com/2012/01/heater-blows-intermittently-and-temp.html

----------

Temperature gauge does not move and no heat when heater is ON?

http://technoanswers.blogspot.com/2012/01/temperature-gauge-does-not-move-and-no.html

-----------

2003 Pontiac Grand Prix: Erratic Fuel Gauge?

http://technoanswers.blogspot.in/2012/06/2003-pontiac-grand-prix-erratic-fuel.html

-----------

Temperature gauge keeps fluctuating up and down close to red?

http://technoanswers.blogspot.com/2012/01/temperature-gauge-keeps-fluctuating-up.html

-------------

Temperature gauge on the dash quit working on Pontiac Grand Prix?

http://technoanswers.blogspot.com/2012/01/temperature-gauge-on-dash-quit-working.html

---------------

Fuel gauge jumps from empty to full?

http://schematicsdiagram.blogspot.com/2011/12/fuel-gauge-jumps-from-empty-to-full.html

--------------

Gas gauge stuck on empty on 2002 Mercedes Benz 240c?

http://repairhelpcenter.blogspot.in/2012/02/gas-gauge-stuck-on-empty-on-2002.html

---------------

• Oldsmobile Temperature Gauge Lamp Switch?

-----------------

Fuel gauge drops to Empty?

http://technoanswers.blogspot.com/2012/01/fuel-gauge-drops-to-empty.html

----------------

Dodge neon gauges not working?

http://technoanswers.blogspot.in/2012/02/dodge-neon-gauges-not-working.html

------------

Temperature gauge went up?

http://schematicsdiagram.blogspot.com/2011/12/temperature-gauge-went-up.html

------------

Temperature gauge stays At cold on jaguar?

http://technoanswers.blogspot.in/2012/02/temperature-gauge-stays-at-cold-on.html

-----------

How to replace Instrument panel and dashboard on Toyota car?

http://repairhelpcenter.blogspot.in/2012/02/how-to-replace-instrument-panel-and.html

-----------

How to remove instrument panel on Chevrolet car?

http://technoanswers.blogspot.in/2012/02/how-to-remove-instrument-panel-on.html

-----------

How to remove control panel on Buick regal?

http://howtobyme.blogspot.in/2012/02/how-to-remove-control-panel-on-buick.html

---------------


These details will help.

Thanks.

Read full answer
Nov 28, 2012 • 2000 Mitsubishi Lancer
0helpful
1answer

1987 fuel level guage issue 87 F150 Lariat XLT 5.0 2wd. Have a very similar situation. Front tank position shows empty even when I know there is gas. Rear tank position shows full after refilling but...
the gas is regulated from the switching valve you control off the dash. Check the valve to hear it switch
have a friend help you do this. it will be located under the truck between the two tanks. You may have a faultly valve or switch rattling inside changing the tanks setting also while driving which will be hard to tell
Read full answer
Jan 31, 2010 • 1987 Ford F 150
0helpful
1answer

1993 F150 front tank gauge reads empty, sending unit bad maybe?
chilton ar harnes make a great bible for cases like theise chapters indago sell em cheep
Read full answer
Jan 03, 2010 • 1993 Ford F150 SuperCab
1helpful
1answer

1987 ford f150 dual fuel tanks fuel qty gages inop.fwd tank reads empty and when aft selected reads full.
tank switch on dash could be bad, also selector valve could be bad. are the fuel gauges accurate front or rear. like you say the rear reads full, is it?? I would try the switch on the dash first.
Read full answer
Sep 17, 2009 • 1987 Ford F 150
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I am having trouble with my 2012 f150 xlt fuel gauge it reads full when I turn it on and I checked the fuses and the wiring and its not it what is the problem???

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