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Manipulating Fuel Gauge Readings in Megane I Ph II 1999 and Scenic II 2005 with Gas Installations

rafal2shae 19638 14
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How can I stop the fuel gauge from showing false readings after installing gas in a Renault Megane I Ph II 1999 or Scenic II 2005?

In the Megane, you can force the dashboard to refresh the fuel level by briefly disconnecting and reconnecting the orange wire under the rear seat; this makes the computer throw an error and then update the fuel and reserve indication again [#16294405] This fix is only temporary and may stop working after a long battery disconnect or after the next few starts [#16294600][#16341190] For a more permanent solution, the replies recommend installing a fuel level emulator, which can work regardless of the fuel level in the tank [#16341190][#16742672] One user also noted that instead of an emulator, the indicators can be corrected by running their self-test from time to time [#16743169] For Scenic II, the thread does not confirm the orange-wire trick, so the emulator approach is the main suggested fix [#16294600][#16341190]
Summary generated by AI based on the discussion content.
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  • #1 16294008
    rafal2shae
    Level 11  
    Posts: 136
    Rate: 46
    Hello

    The case concerns Megane I Ph II 1999 and Scenic II 2005, both have a gas installation and in both cases the fuel indicator is cheated. The megane tip shows the fuel level well, but in the middle of the tank the reserve can ignite, which, for example, will go out after the next start. As for the scenario, in the display, for example, after refueling half a tank of gasoline and in a moment I show zero bars and after each start you hear a squeak like it was empty bak and no longer hangs or is there some way because the gas-fired said no.

    Thank you
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  • #2 16294405
    pawulon5
    Level 12  
    Posts: 61
    Help: 1
    Rate: 28
    At Megance, I have a solution problem
    Manipulating Fuel Gauge Readings in Megane I Ph II 1999 and Scenic II 2005 with Gas Installations

    You have to disconnect for a moment the orange wire under the back seat, pass the piece and connect it. Then the computer gets an error and updates the indicator and reserve on a regular basis.
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  • #3 16294575
    rafal2shae
    Level 11  
    Posts: 136
    Rate: 46
    And it will help permanently or for a moment and will need to be repeated? And in the scenic?
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  • #4 16294600
    pawulon5
    Level 12  
    Posts: 61
    Help: 1
    Rate: 28
    Until you disconnect the battery for a long time it will work. In Scenic, I have no idea if it will also work because it is newer generation.
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  • #5 16294701
    rafal2shae
    Level 11  
    Posts: 136
    Rate: 46
    I will not move the battery again tomorrow, I will see if I have this cable in megane. Maybe someone else is coming with the scenic.
  • #6 16294871
    genek1000
    Level 35  
    Posts: 2292
    Help: 289
    Rate: 1056
    And it's not better to start Tank Fopper and peace of mind :D
  • #7 16304232
    rafal2shae
    Level 11  
    Posts: 136
    Rate: 46
    I talked to the gasifier about this tank foper said that it will not solve the situation anyway because I have to have at least half a tank of fuel, and so every now and then a stop will hang and after a while I will update when ignited.
  • #8 16307429
    przemek25l
    Level 29  
    Posts: 1239
    Help: 124
    Rate: 372
    Recommendations vehicle tanked above half of the tank. As a colleague above wrote the indication emulator must be mounted. Some indicators have a change when you are fueling more than 10l or 8 hours of parking.
  • #9 16315809
    rafal2shae
    Level 11  
    Posts: 136
    Rate: 46
    Another gasman said he did not have to stand 8h or be tanked above half of the tank. It will reset after every engine start I have a mid-month visit. Thank you
  • #10 16341190
    pawel216
    Level 10  
    Posts: 21
    Rate: 3
    If it is above half the indicator often reset itself after 2-3 engine start.
    There is a guy like MarekSpy from Katowice who has done his level emulator and works very well.
    Although the emulator with AC can be easily mounted to the car from the topic.
  • #11 16357133
    rafal2shae
    Level 11  
    Posts: 136
    Rate: 46
    the emulator put in place does not have to be half of the fuel tank resets after every engine start.
  • #12 16742419
    Jankesiok
    Level 11  
    Posts: 19
    Rate: 24
    Hello. What exactly emulator do you have in scenic 2? It's about the exact company and type.
  • #13 16742453
    Strumien swiadomosci swia
    Level 43  
    Posts: 27519
    Help: 1404
    Rate: 6411
    Not like half the tank is a reason to be ashamed, sorry but this is not the place for barren discussions.
    The emulator works in refferences.
  • #14 16742672
    Jankesiok
    Level 11  
    Posts: 19
    Rate: 24
    Can anyone give the exact type of fuel emulator that has been set up for Scene 2 and works regardless of the level of fuel in the tank. Various models are cited, but I want it to be tested in practice. I do not want to buy something that will lie on my shelf.
  • #15 16743169
    milejow

    Level 43  
    Posts: 13083
    Help: 1560
    Rate: 5138
    It is a pity to have money for any emulator (although whoever prohibits the rich), from time to time to do self-test indicators, after which the indicators show the correct level of fuel in the tank.
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Topic summary

✨ The discussion revolves around issues with fuel gauge readings in the Renault Megane I Phase II (1999) and Scenic II (2005) when equipped with gas installations. Users report that the fuel indicators can display incorrect levels, particularly showing zero bars after refueling. Solutions proposed include disconnecting the orange wire under the back seat to reset the computer, which temporarily resolves the issue. However, it is noted that this fix may require repeated disconnections of the battery. Some users suggest installing a fuel level emulator to maintain accurate readings regardless of the fuel level, with recommendations for specific emulators that have been tested successfully. The conversation highlights the need for a reliable solution to prevent the fuel gauge from malfunctioning after engine starts.
Summary generated by AI based on the discussion content.
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