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Skoda Fabia 1 BNM - Location of the crankshaft position sensor.

zxcdominik1205 33177 14
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  • #1 16320152
    zxcdominik1205
    Level 7  
    Posts: 54
    Rate: 18
    Where in the 1.4 TDI BNM is the crankshaft position sensor? And how to get to the camshaft position sensor.
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    #2 16320682
    bsv2001
    Level 17  
    Posts: 146
    Help: 26
    Rate: 183
    Skoda Fabia 1 BNM - Location of the crankshaft position sensor.

    10- crankshaft position sensor
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    #3 16320793
    1megan
    Level 13  
    Posts: 65
    Help: 4
    Rate: 40
    bsv2001 wrote:
    Skoda Fabia 1 BNM - Location of the crankshaft position sensor.

    10- crankshaft position sensor

    10 is the shaft sensor and 9 is the shaft sensor
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    #4 16320997
    pioart
    Level 38  
    Posts: 3319
    Help: 343
    Rate: 1467
    zxcdominik1205 wrote:
    how to get to the camshaft position sensor

    Dismount the timing cover, unscrew the M6 / key 10 / screw, and "pick it out", only gently, because the plastic can be brittle / protector / and that you will not get inside, because it will be a cuckoo.
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  • #5 16321105
    zxcdominik1205
    Level 7  
    Posts: 54
    Rate: 18
    I will give advice without special tools to replace this sensor from the camshaft?
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    #6 16321144
    pioart
    Level 38  
    Posts: 3319
    Help: 343
    Rate: 1467
    zxcdominik1205 wrote:
    I will give advice without special tools to replace this sensor from the camshaft?

    The key to unscrewing the screw is not a specialized tool. Using your head, you will not get anything.
  • #7 16325240
    zxcdominik1205
    Level 7  
    Posts: 54
    Rate: 18
    With the camshaft position sensor plug unfastened, the car will start, will it spin? Considering that the sensor is functional.
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    #8 16325323
    bsv2001
    Level 17  
    Posts: 146
    Help: 26
    Rate: 183
    You can check the oscilloscope for the sensor
    What problem with the car?
  • #9 16325400
    zxcdominik1205
    Level 7  
    Posts: 54
    Rate: 18
    After a long turn, it lights up to turn the key hot or several times. A visit to the mechanic next week is why I am trying to do something on my own. I have some suspicions about these two sensors. I read that it is possible to check with an ordinary meter. Is this somehow authoritative?

    Added after 54 [seconds]:

    https://youtu.be/yYqhg9spjfU
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  • #10 16325414
    bsv2001
    Level 17  
    Posts: 146
    Help: 26
    Rate: 183
    error codes?
  • #11 16325451
    zxcdominik1205
    Level 7  
    Posts: 54
    Rate: 18
    The problem is that there is no communication with the engine controller. The beam on the longitudinal is checked, the pit will be the same.

    Added after 1 [minutes]:

    What voltage should be on the individual pins in the output?
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    #12 16325476
    bsv2001
    Level 17  
    Posts: 146
    Help: 26
    Rate: 183
    Tomorrow I will send a k-line scheme to ECU
    you can connect directly to the ECU
  • #13 16325481
    zxcdominik1205
    Level 7  
    Posts: 54
    Rate: 18
    How to make a direct connection?
  • #14 16326478
    bsv2001
    Level 17  
    Posts: 146
    Help: 26
    Rate: 183
    Skoda Fabia 1 BNM - Location of the crankshaft position sensor. Skoda Fabia 1 BNM - Location of the crankshaft position sensor.

    Connect the K-line from the ECU-81a16pin directly to the 7 pin diagnostics and read the error codes
  • #15 16326694
    zxcdominik1205
    Level 7  
    Posts: 54
    Rate: 18
    Ok. Now, do I understand correctly? I am taking my cube off by ecu and I am pulling out 81a. I hook up a new cable. I do the same with obd, lead to the 7 pin cable from 81a. The rest stays the same. At the end I connect my computer.

    Added after 54 [minutes]:

    Could you specify which wire 81a from the plug-in side for the 1.4 TDI?
    Because from what I know is not described there like on obd.
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Topic summary

✨ The discussion focuses on the location and replacement of the crankshaft position sensor in the Skoda Fabia 1.4 TDI BNM engine. Users provide guidance on accessing the sensor, which involves dismounting the timing cover and carefully unscrewing the M6 screw. There are inquiries about the camshaft position sensor, including its functionality and the possibility of starting the car without it connected. Users also discuss troubleshooting methods, including checking error codes and using an oscilloscope for diagnostics. The conversation highlights the importance of proper tools and techniques for sensor replacement and engine diagnostics.
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