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Volkswagen Fox 1.2 3-Cylinder Oil Indicator Light Issue: On/Off, No Errors, 5W/40, Pressure Sensor

Pabloczeladz 7878 6
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
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  • #1 17050686
    Pabloczeladz
    Level 2  
    Hello, I have a problem with the vw fox 1.2 3 cylinders, namely the oil indicator light is on all the time and it does not go out at all, there are days that it does not burn at all and there are days that it burns all the time and does not go out after connecting to the vag no errors, oil changed for 5w / 40 a new filter and a new oil pressure sensor and the problem every 2 days there is oil pressure after connecting the pressure gauge correct engine works properly without crackles, etc. Gentlemen, please help because my hands are falling with it
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  • #2 17050793
    zaxdamian
    Level 15  
    What is the color of the control?
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  • #3 17050824
    Pabloczeladz
    Level 2  
    In Foxie there is only red in color golfs, yellow and red
  • #4 17050901
    carrot
    Moderator of Cars  
    In VW, at least in the polo with this engine, it works in such a way that the sensor makes a short circuit to the ground above 0.8 bar and the clocks control this state, as well as the engine speed, if above 1500 rpm there is no mass on the pressure sensor pin, it turns on alarm and the indicator light flashes
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  • #5 17050956
    Pabloczeladz
    Level 2  
    It is here, in my fox, that the indicator light does not blink, but it lights up constantly and the alarm does not go on. does not ignite

    Added after 1 [minutes]:

    and from what I noticed, after connecting the meter to the cable, what goes into the pressure sensor in the cable, there is 12v
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  • #6 17051099
    zaxdamian
    Level 15  
    There should be a 0.5 bar sensor on this motor. So just like carrot wrote. I would look for a problem in the sensor harness or the clocks themselves.
  • #7 17051957
    Pabloczeladz
    Level 2  
    and I have a question, colleagues from the sensor, this cable goes exactly where someone knows, or I will send a diagram
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Topic summary

The discussion revolves around a persistent oil indicator light issue in a Volkswagen Fox 1.2 with a 3-cylinder engine. The user reports that the oil light remains on intermittently, despite having replaced the oil with 5W/40, installed a new oil filter, and a new oil pressure sensor. Diagnostic checks using VAG did not reveal any errors, and oil pressure readings appear normal. Responses suggest that the problem may lie in the sensor harness or the instrument cluster, with specific mention of the sensor's operational characteristics and wiring. The color of the oil indicator light is confirmed to be red, and further inquiries about the sensor's wiring diagram were made.
Summary generated by the language model.
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