Question about 2003 Hyundai Santa Fe

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I have a 2003 Hyundai Santa Fe the fuel gauge light go on when thank is half full what can i do to solve this problem

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  • Paul McGrath
    Paul McGrath May 11, 2010

    CLARIFICATION NEEDED. WHICH/WHAT fuel gauge light?.. The LOW FUEL light? Does the fuel guage show 1/2 tank when this light comes ON?

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Dear friend-take note that you have two feul floats in the tank one works from full to half and the otherside from half to empty.

Posted on Jul 22, 2009

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2003 hyundia santa fe. starts fine idles fine speeds up fine,but when driving at a continous speed it loses power then speeds back up. what could be the problem


either fuel pressure from the regulator is messing up or your pump is about to die.. hard to say with out putting a gauge on the rail.

Apr 28, 2015 | 2003 Hyundai Santa Fe

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on Oct 24, 2013 | Hyundai Cars & Trucks

1 Answer

Full fuel tank gas light on 2002 Hyundai Santa Fe, what is wrong?


with out further info I would guess sending unit on fuel gauge is bad,that would be located in fuel tank

Aug 04, 2014 | 2002 Hyundai Santa Fe

1 Answer

Why fuel gauge not working gas guage on 2009 santa fe stays on empty even with a full tank of gas. Guage fluctuates from empty to 3/4 full to empty to 1/3 full at any given time.


It could be the sending unit in the tank or the gauge on the dash. A mechanic would test the signal coming from the sending unit to verify.

Jan 19, 2014 | 2009 Hyundai Santa Fe

1 Answer

I have a 2004 Hyundai Santa Fe. The low fuel light came on after I put in 3/4 of a tank of gas. Then the light went off, and all seems fine. It was a 100 degree day when this happened. Could that have been...


Well anything is possible.
The low fuel sensor for the warning light is part of the gauge in the tank. As long as the gauge works and the light does not come back on I would not be concerned. You may want to watch your mileage to make sure you don't run out of fuel if the gauge does fail.

Jul 25, 2012 | 2004 Hyundai Santa Fe

1 Answer

Gas gauge not operational .....low fuel light on......half tank of fuel present.......car starts normal 2003 hyundai santa fe


The fuel level sensor is bad, you can't buy it by itself. it is part of the sending unit. costly part, I would keep check on milage and wait for the fuel pump to go out then have it all replaced.because the fuel pump is part of the unit too.

Nov 17, 2010 | Hyundai Santa Fe Cars & Trucks

1 Answer

Engine almost dies


sounds like a fuel problem. have your pump checked or check with your manual if it has a replacement mark. or it could even be as cheap as replacing your fuel filter.

Feb 23, 2010 | 2003 Hyundai Santa Fe

1 Answer

Fuel Gauge and fuel light


you will need to find a wireing diegram to tell you wich wire to test.try looking at your local liebary you may be able to get one there. or you can bye a hayns manul or chilton manul at a auto parts store . good luck

Apr 20, 2009 | 2003 Hyundai Santa Fe

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