12v 1uo941243c Relay repairable?

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  • petehall347
    Badcaps Legend
    • Jan 2015
    • 4427
    • United Kingdom

    #41
    Re: 12v 1uo941243c Relay repairable?

    is this your relays ?

    Comment

    • bohaboha
      Badcaps Legend
      • Nov 2012
      • 1015
      • sweden

      #42
      Re: 12v 1uo941243c Relay repairable?

      Originally posted by petehall347
      is this your relays ?
      here is my plate but a bad pic and the relay is numered 409

      nnot 309 and the pics are upside-down
      Attached Files

      Comment

      • petehall347
        Badcaps Legend
        • Jan 2015
        • 4427
        • United Kingdom

        #43
        Re: 12v 1uo941243c Relay repairable?

        i cant match them with my autodata . it is a 2004 octavia is it ?

        Comment

        • bohaboha
          Badcaps Legend
          • Nov 2012
          • 1015
          • sweden

          #44
          Re: 12v 1uo941243c Relay repairable?

          Originally posted by petehall347
          i cant match them with my autodata . it is a 2004 octavia is it ?
          yes SKODA Octavia I break (1U5) 1.6 Bensin (102 hk / 75 kW)

          Comment

          • petehall347
            Badcaps Legend
            • Jan 2015
            • 4427
            • United Kingdom

            #45
            Re: 12v 1uo941243c Relay repairable?

            i see now your relay plate can fit 14 relays .. will look at autodata again later

            Comment

            • bohaboha
              Badcaps Legend
              • Nov 2012
              • 1015
              • sweden

              #46
              Re: 12v 1uo941243c Relay repairable?

              Originally posted by petehall347
              i see now your relay plate can fit 14 relays .. will look at autodata again later
              yes please

              Comment

              • petehall347
                Badcaps Legend
                • Jan 2015
                • 4427
                • United Kingdom

                #47
                Re: 12v 1uo941243c Relay repairable?

                hope pics are good enough i couldn't get print screen to work properly so used camera .
                Attached Files

                Comment

                • bohaboha
                  Badcaps Legend
                  • Nov 2012
                  • 1015
                  • sweden

                  #48
                  Re: 12v 1uo941243c Relay repairable?

                  Originally posted by petehall347
                  hope pics are good enough i couldn't get print screen to work properly so used camera .
                  Thank you very much, will it fit my car? because as you see on my plate i have some relays more exactly 4 which contains 2 integrated dual relays like number 455,389 which are clear but then 175 and the one which is between 100 and 409 this makes it difficult and follow your pictures but the pictures themselves they are ok. do you have possibly schematic to fuel pump on your autodata?

                  Comment

                  • petehall347
                    Badcaps Legend
                    • Jan 2015
                    • 4427
                    • United Kingdom

                    #49
                    Re: 12v 1uo941243c Relay repairable?

                    i have it but can only save as xps and it looks like this website cant deal with it .. will have to learn how i can change it . ah will put on stick and plug into linux pc .. autodata is on my windows work laptop .

                    Comment

                    • petehall347
                      Badcaps Legend
                      • Jan 2015
                      • 4427
                      • United Kingdom

                      #50
                      Re: 12v 1uo941243c Relay repairable?

                      hoping this works i didn't check if it converted properly .
                      Attached Files

                      Comment

                      • bohaboha
                        Badcaps Legend
                        • Nov 2012
                        • 1015
                        • sweden

                        #51
                        Re: 12v 1uo941243c Relay repairable?

                        Originally posted by petehall347
                        hoping this works i didn't check if it converted properly .
                        thank you so much for your help. will look further but wondering is it for fuel pump? because i see no specification

                        Comment

                        • petehall347
                          Badcaps Legend
                          • Jan 2015
                          • 4427
                          • United Kingdom

                          #52
                          Re: 12v 1uo941243c Relay repairable?

                          what codes are coming up on your scan tool ?

                          Comment

                          • bohaboha
                            Badcaps Legend
                            • Nov 2012
                            • 1015
                            • sweden

                            #53
                            Re: 12v 1uo941243c Relay repairable?

                            Originally posted by petehall347
                            what codes are coming up on your scan tool ?
                            hey you'll get the answer a little later today a friend is borrowing a code reader waiting for him

                            Comment

                            • bohaboha
                              Badcaps Legend
                              • Nov 2012
                              • 1015
                              • sweden

                              #54
                              Re: 12v 1uo941243c Relay repairable?

                              Originally posted by petehall347
                              what codes are coming up on your scan tool ?
                              Hello again the codes I get: P07255,P1780 and P1850 and they have to do with the gearbox and speed, or can this affect the car cranking but not starting?

                              Comment

                              • petehall347
                                Badcaps Legend
                                • Jan 2015
                                • 4427
                                • United Kingdom

                                #55
                                Re: 12v 1uo941243c Relay repairable?

                                P0725 rpm sensor circuit . P07255 not found please check code .
                                thinking the crank sensor wire breaks right next to sensor .also failing battery will cause problems starting

                                P1780 not found
                                P1850 not found
                                autodata hasn't got transmission codes .
                                clear all codes and see what comes back
                                Last edited by petehall347; 09-25-2022, 01:49 PM.

                                Comment

                                • bohaboha
                                  Badcaps Legend
                                  • Nov 2012
                                  • 1015
                                  • sweden

                                  #56
                                  Re: 12v 1uo941243c Relay repairable?

                                  Originally posted by petehall347
                                  P0725 rpm sensor circuit . P07255 not found please check code .
                                  thinking the crank sensor wire breaks right next to sensor .also failing battery will cause problems starting

                                  P1780 not found
                                  P1850 not found
                                  autodata hasn't got transmission codes .
                                  clear all codes and see what comes back
                                  i have cleared three four times the codes but they keep coming back and the car still cranks but does not start maybe i should try to find this sensor and clean and test to see what it gives . petehall347 i appreciate and thank you for your support and wonder if i can pm you because i think we are off electronics topic on this thread

                                  Comment

                                  • petehall347
                                    Badcaps Legend
                                    • Jan 2015
                                    • 4427
                                    • United Kingdom

                                    #57
                                    Re: 12v 1uo941243c Relay repairable?

                                    plenty of electronics involved . if you look at live data on your scan tool it should have rpm .. or maybe not depending on the scan tool . also if you have an an oscilloscope you can check the waveform directly from the sensor . will tell you a story about this .i was called out to a job the experts couldn't fix i hooked up my bench oscilloscope and the car started up .after that it started every time .not saying this will work for you but you can see if sensor is working ok before checking the wiring ,

                                    Comment

                                    • stj
                                      Great Sage 齊天大聖
                                      • Dec 2009
                                      • 31087
                                      • Albion

                                      #58
                                      Re: 12v 1uo941243c Relay repairable?

                                      not just the sensor - clean the flywheel or whatever it is sensing.
                                      i know on some old cars if you got lots of mud on the toothed wheel it couldnt sense it

                                      Comment

                                      • bohaboha
                                        Badcaps Legend
                                        • Nov 2012
                                        • 1015
                                        • sweden

                                        #59
                                        Re: 12v 1uo941243c Relay repairable?

                                        Originally posted by petehall347
                                        plenty of electronics involved . if you look at live data on your scan tool it should have rpm .. or maybe not depending on the scan tool . also if you have an an oscilloscope you can check the waveform directly from the sensor . will tell you a story about this .i was called out to a job the experts couldn't fix i hooked up my bench oscilloscope and the car started up .after that it started every time .not saying this will work for you but you can see if sensor is working ok before checking the wiring ,
                                        your comment confirms to me that this sensor is causing krank no start for the car and we are still talking about codes: P0725,P1780 and P1850 all are linked to gearbox and speed? i will test, clean and hope it will start

                                        Comment

                                        • bohaboha
                                          Badcaps Legend
                                          • Nov 2012
                                          • 1015
                                          • sweden

                                          #60
                                          Re: 12v 1uo941243c Relay repairable?

                                          Originally posted by stj
                                          not just the sensor - clean the flywheel or whatever it is sensing.
                                          i know on some old cars if you got lots of mud on the toothed wheel it couldnt sense it
                                          sure will clean around and all sensors

                                          Comment

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