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Trouble starting

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  • Trouble starting

    Hi, I have a 2010 90TSI manual. It has trouble starting.
    Cranks over, won't fire.
    Pull the ECM fuse (13 from memory), replace with the same fuse, fires first time.
    Any clues?
    2010 90TSI Manual / Comfort Pack / United Grey
    sigpic
    RICE - Leave the useless wings to the Penguins...

  • #2
    Battery or fuel pump
    2021 Kamiq LE 110 , Moon White, BV cameras F & B
    Mamba Ebike to replace Tiguan

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    • #3
      Have you got a scan tool you can use to at the very least see if any error codes have been logged?
      2017 Ford Fiesta ST the go kart

      2015 Audi SQ5 bi-turbo V6 TDI family hauler

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      • #4
        Scanned and the only error was "Lost communication with the ECM"
        Update. Had the Fuse panel under the hood replaced as it was believe that the "pull the fuse and it starts" was an issue with the fuse panel.
        Sadly, we are back to the same issue.
        Car will crank but not start. Pull the ECM fuse and immediately replace. Car starts first crank.
        The car will continue to start multiple times through the day without issue.
        Park the car over the weekend, try to start Monday morning.....cranks but not start. Pull the ECM fuse and replace, starts first go.
        Very weird.
        2010 90TSI Manual / Comfort Pack / United Grey
        sigpic
        RICE - Leave the useless wings to the Penguins...

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        • #5
          Maybe the ecu relay if it has one
          optimumcode@gmail.com | https://www.vwwatercooled.com.au/for...i-;-79012.html | https://www.facebook.com/TTY-Euro-107982291992533

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          • #6
            I believe it has one, how would I check if the relay is stuffed?
            2010 90TSI Manual / Comfort Pack / United Grey
            sigpic
            RICE - Leave the useless wings to the Penguins...

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            • #7
              Replace it, or at least take the cover off and send me a picture. Might have a dry solder joint I can spot for you
              optimumcode@gmail.com | https://www.vwwatercooled.com.au/for...i-;-79012.html | https://www.facebook.com/TTY-Euro-107982291992533

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              • #8
                Update. Replaced the ECM relay and problem solved. Thanks for the advice
                2010 90TSI Manual / Comfort Pack / United Grey
                sigpic
                RICE - Leave the useless wings to the Penguins...

                Comment


                • #9
                  Originally posted by craig_the_german View Post
                  Update. Replaced the ECM relay and problem solved. Thanks for the advice
                  Excellent. Did you open up the relay for a look?
                  optimumcode@gmail.com | https://www.vwwatercooled.com.au/for...i-;-79012.html | https://www.facebook.com/TTY-Euro-107982291992533

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                  • #10
                    Originally posted by craig_the_german View Post
                    Update. Replaced the ECM relay and problem solved. Thanks for the advice
                    Good to hear you solved the issue.
                    2017 Ford Fiesta ST the go kart

                    2015 Audi SQ5 bi-turbo V6 TDI family hauler

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                    • #11
                      Yes I did open it up...curiosity got me.
                      Looked like one of the contacts had some corrosion/burn on it.
                      2010 90TSI Manual / Comfort Pack / United Grey
                      sigpic
                      RICE - Leave the useless wings to the Penguins...

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