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Fuels light keeps coming on even though tank is full

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Sensor bad or elcetrical malfunfunction

Posted on Oct 04, 2009

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1 Answer

Why is my fuel gauge stuck on full even though there is only 50% of petrol in the petrol tank


Hi,it must be that the gauge or sender unit are faulty,check sender unit first.

Apr 09, 2016 | Cars & Trucks

2 Answers

Gas gauge indicator goes to empty when full


sounds like you may have a bad fuel level sender problem. as for the check engine light coming on and storing a fault code that is a separate issue.

Aug 29, 2014 | 2005 Chevrolet Malibu

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Jetta mk2


The gasoline floater in your tank signals full or empty to your dash is stuck at that level.

Nov 23, 2013 | Cars & Trucks

1 Answer

I have a Hyundai Elantra 2001. The low fuel light came on and won't go off even though the car if full of gas.


If gauge still shows empty and light is on then inside tank there is a arm thats prob just stuck remove lower rear seat and will see entry to tank gauge has about 3 to 4 screws open and check if arm is down or floating .

Mar 19, 2012 | 2001 Hyundai Elantra

1 Answer

I have a 2004 pontiac montana. for about two years the fuel guage would fold over and read 125 degrees when the tank is full. it woulld stay there until tank was empty and the needle would drop to empty,...


It could be a bad fuel gauge in the dash unit, but....
Usually it's "The bad".
The fuel level sending wipe arm and windings on the fuel sender wear and send erratic readings.The only cure is a replacement fuel gauge sender.
The check engine light should not be related to the erratic fuel readings.
"The good".
If you have over 200,000kms or 120,000 miles on your van you need a new fuel pump anyway,so have a complete assembly put in which will have a new fuel sender on it.

May 21, 2017 | 2004 Pontiac Montana

2 Answers

Fuel gauge keeps going to empty and warning light


in side the tank on the side of the pump there is what thy call a sender not to be confused with the sending unit. The sender is atached to the float and tells the gauge how much fuel you have.

Jan 05, 2010 | 2007 Chevrolet TrailBlazer SS

1 Answer

2006 GMC Envoy gas gauge not functioning properly.


GM had a problem with the fuel sending unit cards inside the fuel tank,If you replace that you should be good to go.

Sep 27, 2009 | 2006 GMC Envoy

2 Answers

Low fuel light indicator


try checking for other fuses, replace them with the same ampacity. With the radio, radio and light are on the same fuse i believe the lights for the radio are bad. If fuses are okay maybe the light bulb for the low fuel indicator has blown the light bulb can be replaced.

Jul 24, 2009 | 1997 Mazda MX-5 Miata

2 Answers

Check light went on


The check light indicates an event has occurred that requires your attention. It could be anything from a bad sensor to a plug misfiring.
You need to get an error code readout. You can get a readout from many auto supply parts stores. The loaner meter is free. You can call around. Try Advance Auto, AutoZone e.g.

Apr 21, 2009 | 1998 Honda Civic

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