car trouble

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  • mbulsa
    Grease Monkey
    • Oct 2009
    • 313

    #1

    car trouble

    Alright well what do you know, another problem with my e30. So everything was fine and dandy but when I came to a stop light and put it in neutral I watched my revs fall down reallly low (300 or so) so I gave my gas a little tap to see if it would bring it back up, instead this time it fell too low and my car stalled out. Had to drive home gassing it the whole time so the car wouldn't die. Anybody have an idea what this could be? fuel pump? regulator? injectors? Not really sure, input would be nice. Thanks.

  • jlevie
    R3V OG
    • Nov 2006
    • 13530

    #2
    If the engine runs when you keep it well above idle, but wants to die if you allow it to idle, an intake leak would be high on the list of suspects. A smoke test of the intake would be the first diagnostic to be done.
    The car makes it possible, but the driver makes it happen.
    Jim Levie, Huntsville, AL

    Comment

    • hammer_e30
      Noobie
      • Feb 2010
      • 18

      #3
      Idle control valve bad or throttle switch out of adjustment?
      sigpic

      Comment

      • bimmerboy08
        Grease Monkey
        • Apr 2009
        • 353

        #4
        first try the smoke test (you can also do it with carb cleaner), then take a look at your crank position sensor. I has a similar problem and that turned out to be the culprit.
        sigpic

        Comment

        • mbulsa
          Grease Monkey
          • Oct 2009
          • 313

          #5
          not really sure what's going on now, the car ran perfectly fine all day today.

          Comment

          • LagunengrunE36
            Member
            • Jun 2009
            • 77

            #6
            I had the same thing and it turned out the throttle cable needed to be adjusted.

            Comment

            • mbulsa
              Grease Monkey
              • Oct 2009
              • 313

              #7
              Originally posted by LagunengrunE36
              I had the same thing and it turned out the throttle cable needed to be adjusted.

              sounds like that could be the culprit, what'd you do just tighten it?

              Comment

              • IRON-E
                I waste 90% of my day here and all I got was this stupid title
                • Dec 2007
                • 16548

                #8
                Check leaking fuel or air hoses.
                @IRON-E30 aka Edwin:D

                Comment

                • llll1l1ll
                  Mod Crazy
                  • Dec 2003
                  • 782

                  #9
                  Originally posted by IRON-E
                  Check leaking fuel or air hoses.
                  Me: "I can't wait to redline my car!"
                  Mark: "Didn't you just break a rocker arm?"
                  Me: "Yeah, I don't think I've learned my lesson."
                  Mark: "You never will."

                  Comment

                  • LagunengrunE36
                    Member
                    • Jun 2009
                    • 77

                    #10
                    Originally posted by mbulsa
                    sounds like that could be the culprit, what'd you do just tighten it?
                    Yeah

                    Comment

                    • mbulsa
                      Grease Monkey
                      • Oct 2009
                      • 313

                      #11
                      Originally posted by IRON-E
                      Check leaking fuel or air hoses.
                      no leaking fuel, hoses are good.

                      Comment

                      • IRON-E
                        I waste 90% of my day here and all I got was this stupid title
                        • Dec 2007
                        • 16548

                        #12
                        Have you tried cleaning your ICV? maybe a bad AFM?
                        @IRON-E30 aka Edwin:D

                        Comment

                        • mbulsa
                          Grease Monkey
                          • Oct 2009
                          • 313

                          #13
                          Originally posted by IRON-E
                          Have you tried cleaning your ICV? maybe a bad AFM?
                          Probably going to clean my ICV this weekend.

                          Also noted on my way home from work this week my heaters weren't working as good, i'd say about 50%.

                          Comment

                          • mbulsa
                            Grease Monkey
                            • Oct 2009
                            • 313

                            #14
                            and i have a squeeky belt -_-

                            Comment

                            • 87-325ic
                              E30 Enthusiast
                              • Apr 2006
                              • 1198

                              #15
                              check out your water pump ... that thing is involved with warm water and its pretty important..

                              Comment

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