E30 S54 ess vt1 started only two seconds

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  • Soso Bc
    Noobie
    • Jan 2015
    • 8
    #1

    E30 S54 ess vt1 started only two seconds

    good morning
    I apologize in advance
    because I do not speak English and so I'm forced to use a translation software that is not always very understandable

    I just finished assembling a s54 smg change in manual gearbox and equipped with a compressor kit ess vt1
    I did re-encode the DME to the gearbox and remove EWS in a specialist in england
    My problem is that I have all connect
    The car starts 2-second stops
    pressure regulator Nuke 5bar
    Gasoline pump oem e46 M3
    I saw that other person had almost the same symptom
    thank you for your help
    Tags: None
    • Soso Bc
      Noobie
      • Jan 2015
      • 8
      #2
      [IMG][/IMG]

        Comment

        • gobuffs
          E30 Addict
          • Dec 2004
          • 513
          #3
          I'd suspect the EWS hasn't really been turned off.

          Any stored codes?

            Comment

            • DesertBMW
              E30 Enthusiast
              • Aug 2011
              • 1011
              #4
              two seconds run then dies is EWS is not deleted.

                Comment

                • nando
                  Moderator
                  • Nov 2003
                  • 34827
                  #5
                  Yeah, ews will not even let it start.
                  Build thread

                  Bimmerlabs

                    Comment

                    • Soso Bc
                      Noobie
                      • Jan 2015
                      • 8
                      #6
                      is this normal
                      I must put my DME ground for the start relay
                      or miss there a ground connection?

                        Comment

                        • Soso Bc
                          Noobie
                          • Jan 2015
                          • 8
                          #7
                          how to check if the problem just ews

                            Comment

                            • nando
                              Moderator
                              • Nov 2003
                              • 34827
                              #8
                              it's not. it won't start at all if EWS is enabled.
                              Build thread

                              Bimmerlabs

                                Comment

                                • FredK
                                  R3V OG
                                  • Oct 2003
                                  • 14739
                                  #9
                                  Could the fuel supply and return lines be hooked up backwards?

                                  It sounds like a fuel delivery issue. If you have the stock, non-return fuel rail, it definitely takes several cranks to purge the system of all of its air.

                                  Good luck, and let us know how things go!

                                    Comment

                                    • 328ijunkie
                                      Forum Sponsor
                                      • May 2007
                                      • 3961
                                      #10
                                      It will start then stall if EWS isnt nuked out

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                                      Needing a harness adapter or wiring help? Check it out: also have 24v motor mounts, E30 M3 covers and E36 ECU mounts!
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                                      OBD2 Tuning Available! OBD2 E36, S54 Swap, S62 Swap, etc: tuning@MarkertMotorWorks.com Dyno Thread

                                        Comment

                                        • nando
                                          Moderator
                                          • Nov 2003
                                          • 34827
                                          #11
                                          are you sure? is the priming pulse enough to make it fire?
                                          Build thread

                                          Bimmerlabs

                                            Comment

                                            • 328ijunkie
                                              Forum Sponsor
                                              • May 2007
                                              • 3961
                                              #12
                                              When i first got into this swap rodeo that was the exact same symptom i was experencing. Fires for 1-3 seconds then dies. MSS54 only, all other ECUs (MS41-43, etc) dont even try. Always wondered why that was :P

                                              Check Us out on Facebook
                                              Needing a harness adapter or wiring help? Check it out: also have 24v motor mounts, E30 M3 covers and E36 ECU mounts!
                                              Full Product Line Tuning
                                              OBD2 Tuning Available! OBD2 E36, S54 Swap, S62 Swap, etc: tuning@MarkertMotorWorks.com Dyno Thread

                                                Comment

                                                • nando
                                                  Moderator
                                                  • Nov 2003
                                                  • 34827
                                                  #13
                                                  I think the other ones don't fire the injectors at all. MSS54 definitely primes them, even when EWS hasn't been disabled. the priming pulse is just enough to fire the engine apparently.

                                                  I hope the OP didn't pay much for that flash if it won't even start!
                                                  Build thread

                                                  Bimmerlabs

                                                    Comment

                                                    • Soso Bc
                                                      Noobie
                                                      • Jan 2015
                                                      • 8
                                                      #14
                                                      I check my fuel system is ok
                                                      I has all the original boxes for EWS I is not against the electrical diagrams to connect
                                                      And I believe that this EWS system must also counter
                                                      that if you advise me to flash the DME as soon
                                                      thank you for your help

                                                        Comment

                                                        • Soso Bc
                                                          Noobie
                                                          • Jan 2015
                                                          • 8
                                                          #15
                                                          I saw E30strube had a post with the same problem
                                                          but it does not mark how he had resolved his concern

                                                            Comment

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