Question about 2003 Hyundai Santa Fe

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Fuel Gauge and fuel light

I have a 2003 Hyundai Santa Fe with a 3.5 L V-6. The fuel gauge is always reading empty and the light is also on all of the time. I found out that there is two fuel level senders on this car. I was looking for some tip on wiring to test before just replacing parts to fix it.

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  • Anonymous Mar 22, 2014

    The fuel level gauge was on half when I started the vehicle. It immediately dropped to empty and the gas light came on.

  • Anonymous Mar 22, 2014

    The fuel level gauge was initially on half when I started the vehicle. It immediately dropped to empty and the gas light came on.

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  • 334 Answers

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

Posted on Apr 20, 2009

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My santa fe start and run 3 sec after stall but if i put it at 1500 rpm it always run. when stallihng its like i put the ignition off no esitation and i crank and run all the time but stall


suspect the fuel filter. if you replaced the fuel filter & still stall, use fuel pressure gauge to check the fuel system. (could be bad fuel pressure regulator or fuel pump.)

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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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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

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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

2003 chevy malibu gas gauge always on empty, replaced the fuel pump


Need to replace the sensor inside the gas tank. I have a 2008 Malibu with the same problem. It was a faulty fuel gauge sensor.

Jan 31, 2012 | 2003 Chevrolet Malibu

1 Answer

Hyundai 2003 Santa Fe 2.7V6 - engine turns over fine, doesn't seem to be getting fuel immediately. Eventually it starts after 5 or 6 seconds of turning over. Suspect fuel filter or fuel pump?


Initially I would agree fuel pressure had dropped off after shut down. This fuel filter is a sock screen attached to the fuel inlet tube of the fuel pump and is located inside the fuel tank with the fuel pump. This screen is rarely the cause. You'll need a fuel pump pressure gauge to verify the low fuel pressure at start up. Caution, sometimes this low pressure isn't a faulty pump, sometimes it's a poor wiring connection to the pump motor. An analog amp meter can verify if there is fluctuation/ing current flow to the fuel pump. A fluctuating current flow could mean poor connections, or could mean the pump has/is gone/going bad.

Aug 31, 2011 | 2003 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

Fuel tank gauge is not registering properly. After a fill up the empty light comes on after driving less than 200 miles yet when I refill the tank it takes appx 10 gals.


This is a very common problem with the Snate Fe. It is a scam so they can charge you $350 to replace a defective sensor. They know the sensors are defective and don't last long but it is a money maker so they have not done anything about it.

May 21, 2010 | 2007 Hyundai Santa Fe Limited

1 Answer

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


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.

Jun 22, 2009 | 2003 Hyundai Santa Fe

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