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Volkswagen Passat b5 FL 2004 - The speedometer is not working properly

Kamil52494 6915 7
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
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  • #1 16826072
    Kamil52494
    Level 7  
    Hello, I have a problem with passat, i.e. the speedometer will start to "freak out", i.e. the tip is not going smoothly, but jumping, the meter goes max to 90 km / h and it stops when it is ready, it drops with a long delay, even a few km the same accelerates, for example, according to GPS, I fly 100 km / ha the counter is just bouncing to 20 km / h, etc., what could have happened? speed sensor on the gearbox? the meter goes down? the meter is enough to buy and replace and it will work or do you need to change a few things in the pass? I changed the counters in Opel, it worked without a problem :) , Auto Of course, passat b5 fl 2004 130 km with automatic transmission.
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  • #2 16826228
    leonek4
    Level 29  
    It is not that easy with passing away. Do a counter-indicators test.
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  • #3 16826238
    Kamil52494
    Level 7  
    I will, for sure, just looking for who has a vaga from the area, if the meter is dead, what needs to be done, I heard that they like printed circuit boards to fall and, for example, if I bought a second meter and gave it to an electrician, for example, how to solder a damaged element and solder it in working order?
  • #4 16826287
    leonek4
    Level 29  
    It is better to let the electronics engineer see what is happening with this meter. Maybe it's repairable.
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  • #5 16826295
    Kamil52494
    Level 7  
    Tomorrow I will connect to the computer and do a test, I have an electrician friend who plays such things and will calmly take care of it and that's why I ask if, let's say, these paths would be massacred enough, you can desolder this plate and solder it out of order or it will not work, if I want to change the meter completely, do I have to buy something else? formerly I had astra, I took the meter from 1 better change and it works :)
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  • #6 16828211
    Kamil52494
    Level 7  
    so today I was a mechanic and we connected to the computer, he did not have the function of calling the clock test, but the parameters checked while driving showed the speed, the counter jammed at 90 on the lap showed how it worked smoothly, i.e. the sensor falls off and the counter is to be repaired or replaced, the second question was that the mechanic said that I should roar damaged meter and wrote down the number from it and bought with the same number, can you somehow check the number of the meter differently without taking it out? I can't see me tearing half a board just to check what number ...
  • #7 16829713
    leonek4
    Level 29  
    During diagnostics, he could check.
  • #8 16829804
    Kamil52494
    Level 7  
    do you know how? there is no vaga just some other software from what i saw

    Added after 2 [hours] 2 [minutes]:

    o thanks for the help checked and I have a problem now that there is no such thing to buy with this number, so I'm looking for a passat meter b5 fl automat 1.9 tdi meter number 3b0920849a full fis, I have a question I found 1 meter with this number only with 2.5 tdi makes a difference?

    Added after 5 [hours] 26 [minutes]:

    I found the meter I ordered and now the question is, it is enough to replace the meter and it will be git or something needs to be changed, I only know that I have to correct my mileage 289500 new 350 meter with a penny
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Topic summary

The discussion revolves around a malfunctioning speedometer in a 2004 Volkswagen Passat B5 FL, where the speedometer needle jumps erratically and does not reflect the actual speed accurately. The user suspects issues with the speed sensor or the speedometer unit itself. Various suggestions include performing a counter-indicator test, consulting an electronics engineer for potential repairs, and considering the replacement of the speedometer with a compatible unit. The user is also seeking advice on how to identify the correct part number for the speedometer without disassembling the dashboard. Ultimately, the user has found a replacement speedometer but is inquiring whether additional adjustments are necessary after installation, particularly regarding mileage correction.
Summary generated by the language model.
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