Fuel Gauge Always Show Full Hyundai Getz

Lpluto on 26/07/2015 - 13:28
Last edited 26/07/2015 - 13:30

Hi Guys,

I have got strange problem with fuel gauge in my car ( Hyundai Getz 2008 1.4 manual). Always when i make Tank full, the petrol stops going in tank when the tank is full. But yesterday it didnot stop even when the tank got full and the petrol started falling on the floor. And then the fuel gauge showed full. But now even after driving 100 KM , fuel gauge is still showing full. In a normal scenario it would have been less that 3/4 full. Please advice me what might be the problem and how to rectify it.

It was working absolutely fine before yesterday when i got the tank full.

It shows full when key is on and goes to empty without key.

Automotive

Comments

  • retiredfeline on 26/07/2015 - 13:45
    +1

    Don't think there is any connection between the faulty bowser and your faulty fuel gauge. Get it fixed. BTW not all bowsers have auto cutoff.

    • t_c on 26/07/2015 - 14:51

      "BTW not all bowsers have auto cutoff."

      really?

      • [Deactivated] on 26/07/2015 - 14:57
        +1

        Its true, broken bowsers do not always switch off the flow of fuel automatically.

  • Zachary on 26/07/2015 - 13:46

    Your fuel gauge has become faulty?

  • NoClue on 26/07/2015 - 13:49
    +7

    This is my theory:

    The automatic cut off for the bowser failed causing your tank to fill up to the spout.
    Assuming an extra 10 litres of fuel and a getz consumption of say 8Ltrs per 100 kms means your tank is now at approximately normal full level after 100km driving distance. (guage still indicating full)

    Suggestion: You know you have done about 100km so do another 100 to 200kms, you know you won't run out of fuel so if you have done another 200kms and the fuel guage still registers full then there is a problem with the guage. It would either be stuck or damaged by the overfilling (unlikely).

    In any case drive some more and see what happens.

    • pluto on 26/07/2015 - 14:05

      I think this might be the problem. While i was filling the tank i was thinking now it will cut off , now it will cut off but it keep taking the fuel. I will drive more to check if fuel gauge moves. Btw how to fix the faulty bowser to have auto cutoff.

      • NoClue on 26/07/2015 - 14:15
        +2

        'Btw how to fix the faulty bowser to have auto cutoff'

        That's not your responsibility unless you own or are responsible for the bowser. Report it to the Petrol station so that they can place the bowser out of service and get it fixed for it's a chemical and fire hazard when it overflows as you have discovered.

        • pluto on 26/07/2015 - 14:24

          oh my bad. I thought bowser is some part of the fuel tank.

        • [Deactivated] on 26/07/2015 - 14:37
          +2

          @pluto:

          You do not have the necessary mechanical aptitude to diagnose or fix this problem. Take it to a mechanic.

        • endotherm on 26/07/2015 - 22:51
          +1

          @pluto: The bowser is the pump and the hose at the petrol station. It will sense if the back pressure in the hose gets too high and will cut out (if the tank is full and it can't push more petrol into your tank, or the hose gets kinked etc.) It's not part of your car and is the petrol station's responsibility. It should work unless it is broken. Let them know. I think you have just overfilled your tank. You have put petrol into an expansion space reserved in your tank for vapour caused on hot days and petrol sloshing around. It's intended to reduce pressure inside the tank so it doesn't burst (don't panic, it's hard to do, especially in this cold weather). As you drive some more and use the fuel, you will get back to 100% and the gauge will appear to work normally. At the moment it is probably trying to show 120% on a dial designed to go only to 100%.

      • retiredfeline on 26/07/2015 - 14:40
        +2

        Btw how to fix the faulty bowser to have auto cutoff.

        Go to the counter and say: I noticed your bowser stopped charging for the fuel even though the petrol kept flowing. ;)

    • [Deactivated] on 29/07/2015 - 04:53

      Noob question here from a supernoob: why is it that when you're filling your tank (with a bowser functioning properly with cut-off), and the fuel level reaches the appropriate 'full' level in your tank.. you sometimes get fuel spitting back out a little just at the end of the filler pipe? If there's a reserve space… I don't quite understand how there's fuel visibly spitting out as if to indicate the tank is very close to literally full?

      Can someone enlighten me please? Is it just the pressure of the fuel going in causing it to splash back out even with a reserve space there? (how big is that reserve space? I guess I'm imagining it to be bigger/deeper than it is.. hmm)

      • [Deactivated] on 29/07/2015 - 04:58

        Do you pull out immediately, or leave it in for a moment then slowly pull out?

        • [Deactivated] on 29/07/2015 - 05:12

          I leave it in for a moment. The bowser will click and auto cut-off, I leave the nozzle in for a few seconds to let any residual fuel drip off the nozzle into the tank rather than drip onto the floor as I'm carrying it back to the bowser. Always do that whether I'm filling the tank to the max or not.

          I'm talking more about the splashback / spitting you get before the bowser actually automatically cuts off. It's never usually a lot. Just a few spits.. but it made me think in the past "that must be kinda close to the spout/end of the filler pipe". Then again, naively, I have no idea/concept how high a pressure or how fast that petrol is going into the tank. Guess it must be pretty damn high and fast so even with a large reserve space on a full tank at bowser cut-off, there would be some spitting out? :S Drives me a little crazy when I can't conceptualise or mentally visualise things properly. I wish I could see how all this stuff worked for real.

        • [Deactivated] on 29/07/2015 - 05:25

          @waterlogged turnip: (too slow with my edit, lost it all) :(

          If the nozzle is making a good seal around the filler neck, the tank might not be venting fast enough.

          Halfway down this page illustrates what happens with insufficient venting, causing fuel to backup in the neck.

          I thought there would be an easy-to-find video on YouTube showing inside the filling process, but nothing found yet.

          Here's how the auto-cutoff works: https://www.youtube.com/watch?v=TFKOD3KRkZs&t=51s

        • Euphemistic on 29/07/2015 - 10:05

          @Thrift: if you fill something up with a liquid the air has to get out somewhere, in the case of a fuel tank it is out the inlet. Sometimes if the fuel is splashing around it might get caught up in the rush and spit out the top.

          Ever tried filling up a diesel car with a truck fast fill pump? Massive flow, extra splashing.

  • eatwell365 on 26/07/2015 - 14:31
    +1

    Come across this article?

  • airzone on 26/07/2015 - 21:03
    +2

    Maybe your car has just become super fuel efficient.

  • rambutann on 26/07/2015 - 21:31
    +1

    How freaking hard are you hooning it to use a quarter of a tank in 100kms in a 1.4L Getz?!

  • boccos on 27/07/2015 - 08:30

    I had another problem. Used to have a car that was sensitive to static electricity and the fuel gauge would stay on empty when I filled up at a certain Bowser that apparently was not earthed/wired correctly or the polarity was wrong. The gauge would settle after a few days and start working again. I learnt which Bowser's are the problem ones and avoided them.

  • Euphemistic on 27/07/2015 - 10:15

    If your gauge continues to show full for the next tank full then the gauge has a problem. It's probably just that the tank is over full so it's using some fuel before getting back to showing full.

    I had a car that the fuel guage went faulty on, the sender in the tank was faulty. The guage would stay above half for about 75% of the tank, then for the last quarter would drop like a stone to empty. Lead to a fairly stressful highway run hoping the fuel would last to the next town thinking I had a half tank when it was only really a quarter. Managed to get to the next town and put about 59L into a 60L tank.

  • pluto on 29/07/2015 - 00:09

    Thanks guys for all the help. The fuel gauge is working alright now. It must the tank got over full.

    There is one more more problem at some fuel stations the pump auto clicks after very few amount of fuel. Then i have to keep pressing again and again and it takes ages to fill the fuel. It stops several time even time per 1 Dollar of fuel.

    Is this problem with car or fuel pump?

  • NoClue on 29/07/2015 - 00:53
    +3

    Without getting to complex and the design of the fuel tank. It's the bowser cutoff doing it's job. If you put the bowser nozzel to deep especially in small cars the fuel creates a backwash and back pressure in the tank causing the bowser to cut off, another thing with it is that the bowsers you are using may be high flow bowsers.

    Next time just back off a bit on the nozzel and regulate how much fuel flow or find a bowser that has a slower fuel flow. Think of it as trying to fill a bottle of water from a tap. To fast and you get water in you face.

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