Engine cutting out...im at the end of my rope!!

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  • SpecM
    R3V Elite
    • Oct 2005
    • 4531

    #31
    How much does Blunt want for a harness? I might need one too

    Sent from my Vortex using Tapatalk
    1989 cirrisblau-metallic 325i

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    • nates 87 325is
      Advanced Member
      • Jun 2011
      • 124

      #32
      Ha blunts going to be rich. I am having the same "micro-stall" problem I'v tried almost everything I'm going to have to try a harness too.
      87 325is

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      • SpecM
        R3V Elite
        • Oct 2005
        • 4531

        #33
        Originally posted by nates 87 325is
        Ha blunts going to be rich. I am having the same "micro-stall" problem I'v tried almost everything I'm going to have to try a harness too.
        group buy?

        Steve?
        1989 cirrisblau-metallic 325i

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        • kevdeno
          Member
          • Jul 2006
          • 45

          #34
          Wanted to ask about a few other things.

          Have you tested the ignition coil? Any loss here should certainly kill both engine and tach.

          Have you checked for a voltage spike? Curious if voltage regulator is acting up. Too low or too high voltage can cause weird stuff to happen.

          While fuel related issues sounded out of the realm of possibility, have you tested the fuel pressure regulator? Fuel pump? Filter? Dirty gas with particles clogging things up would have a similar effect.

          Comment

          • FLG
            No R3VLimiter
            • Sep 2011
            • 3165

            #35
            Bad coil will cause the engine to die, but would not cause the tach to drop. The DME gets the RPM signal from the CPS sensor, not the coil.

            I know its charging correctly, and i do not believe a voltage spike is causing any issues. As seen by when i had LED's connected to the DME, they remained steady when these events would occur.

            FPR is new, but i replaced it for the fact that it was old, knowing it would not fix this issue. If engine was loosing fuel it would die, but tach would remain steady.

            Gonna get a good used from Mr 325 gave me a great price
            -Build http://www.r3vlimited.com/board/showthread.php?t=295277

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            • nates 87 325is
              Advanced Member
              • Jun 2011
              • 124

              #36
              Any updates on this? I'm still working on this same problem!
              87 325is

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              • tim88325is
                Wrencher
                • Jul 2008
                • 201

                #37
                Did you check the C191 connector under the intake manifold?

                Check under the rubber boots for any corrosion.

                Common area that can cause a lot of random problems, lots of info if you search here or google.

                Comment

                • FLG
                  No R3VLimiter
                  • Sep 2011
                  • 3165

                  #38
                  Ever since I've cleaned the connector nearest the fuse box... wasn't even bad but figure what the hell...she hasn't cut out

                  Sent from my Galaxy Nexus using Tapatalk
                  -Build http://www.r3vlimited.com/board/showthread.php?t=295277

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                  • siazul
                    Advanced Member
                    • Jul 2010
                    • 185

                    #39
                    :( I've had a similar issue from time to time but never paid much attention to it because it only happened once every month or two (daily driver).

                    Now it's turned into a problem because it happened today but the motor just shut off going down the street no weird noise or nothing and now it just cranks. Had to have it towed ftl maybe time for m50?

                    Comment

                    • pjens
                      Noobie
                      • Dec 2010
                      • 17

                      #40
                      fixed?

                      BUMP! FLG did you ever get the problem resolved? anyone else?

                      my car cuts out as described by everyone else when I run over the turtles going 60mph+ on the freeway changing lanes, and also when I am punching it an hit 6000 rpm. Does not happen every time with either of these scenarios, but happens much more frequently changing lanes than punching it.

                      new high pressure fuel pump, ignition system, o2 sensor, timing belt, balancer looked good, new head gasket, 173 ECU chipped, all new belts blah blah blah. will clean the ground and breaker tomorrow but doesn't sound like that is the issue from what i have read.
                      most important rule of mechanics learned- if you can't get the job done, make sure your not being a wuss before doing anything else

                      Comment

                      • FLG
                        No R3VLimiter
                        • Sep 2011
                        • 3165

                        #41
                        Read my post above...cleaned black plug connector that's next to fuse box and she's been good.

                        Sent from my Galaxy Nexus using Tapatalk
                        -Build http://www.r3vlimited.com/board/showthread.php?t=295277

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                        • badnerd
                          Member
                          • May 2008
                          • 65

                          #42
                          Originally posted by FLG
                          Read my post above...cleaned black plug connector that's next to fuse box and she's been good.

                          Sent from my Galaxy Nexus using Tapatalk
                          I KNOW THIS IS AN OLD POST....but can you or anyone else post a picture of that black connector that's next to the fuse box?? im not seeing it and i am having the same problem.

                          Appreciate yours or anyone else's help or assistance

                          Thanks!!

                          Comment

                          • FLG
                            No R3VLimiter
                            • Sep 2011
                            • 3165

                            #43
                            Originally posted by badnerd
                            I KNOW THIS IS AN OLD POST....but can you or anyone else post a picture of that black connector that's next to the fuse box?? im not seeing it and i am having the same problem.

                            Appreciate yours or anyone else's help or assistance

                            Thanks!!
                            The c101 connector next to fuse box

                            Sent from my SCH-I545 using Tapatalk 2
                            -Build http://www.r3vlimited.com/board/showthread.php?t=295277

                            Comment

                            • badnerd
                              Member
                              • May 2008
                              • 65

                              #44
                              Originally posted by FLG
                              The c101 connector next to fuse box

                              Sent from my SCH-I545 using Tapatalk 2
                              Thanks bud!

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