Engine floods when warm?

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  • blacksport325
    Wrencher
    • Sep 2010
    • 231

    #1

    Engine floods when warm?

    I have an issue on a 87 325e, basically after the engine gets warm for awhile, it floods and cannot be started until it dries out. You can drive for 20 minutes, turn the car off, and it won't start until its cool/not flooded anymore I guess (and it has a dark smoke when trying to start which is why I think its flooded), any ideas? So far fuel pump and filter and pressure are good, spark looks to be good, injectors were recently rebuilt, will a cold start valve cause this?
  • matt0300
    E30 Addict
    • Mar 2011
    • 549

    #2
    Temp sensor? It fpr would be my first guess.

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    • matt0300
      E30 Addict
      • Mar 2011
      • 549

      #3
      Or*

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      • matt0300
        E30 Addict
        • Mar 2011
        • 549

        #4
        Where in NC are u?

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        • blacksport325
          Wrencher
          • Sep 2010
          • 231

          #5
          Think a temp sensor would cause this? I'm in chapel hill as well :)

          Comment

          • sweet6e30
            E30 Addict
            • Feb 2011
            • 531

            #6
            any codes,
            afm, o2 ???
            my build here ---> http://www.r3vlimited.com/board/show...ht=lemans+blue

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            • matt0300
              E30 Addict
              • Mar 2011
              • 549

              #7
              Well if its running too cold than it will run rich and is ur car red? With red kidneys?

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              • matt0300
                E30 Addict
                • Mar 2011
                • 549

                #8
                Afm wouldn't make it run rich o2 sensor would but it would still run us just get ten miles to the gallon

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                • matt0300
                  E30 Addict
                  • Mar 2011
                  • 549

                  #9
                  Check ur cps also

                  Comment

                  • blacksport325
                    Wrencher
                    • Sep 2010
                    • 231

                    #10
                    No codes, AFM is a possibility, I don't think it'd be an O2 sensor since there are no codes and it's not getting horrible gas mileage, CPS hasn't been looked at either, good idea.

                    Matt, the red car with red kidneys, and black bumpers? That's my bro's car actually. What are you driving, I may have seen you around as well.

                    Comment

                    • jlevie
                      R3V OG
                      • Nov 2006
                      • 13530

                      #11
                      A leaking cold start valve, bad time-temperature switch, or leaking injects would be my first suspicions.
                      The car makes it possible, but the driver makes it happen.
                      Jim Levie, Huntsville, AL

                      Comment

                      • matt0300
                        E30 Addict
                        • Mar 2011
                        • 549

                        #12
                        I drive 88 IX with ricer wheels (PO) half of them are white. Cars silver

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                        • 20gmr
                          E30 Addict
                          • Aug 2010
                          • 404

                          #13
                          Originally posted by jlevie
                          A leaking cold start valve, bad time-temperature switch, or leaking injects would be my first suspicions.
                          This guy sounds on the money , if it only has trouble when its warm, then the cold start valve is probly working when its not supposed too.
                          Dave @ Bimmerbuddies
                          Contact Bimmerbuddies for all your Parts and service needs
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                          Bimmerbuddies LLC
                          717-388-1256
                          2971a Roundtop Rd, Middletown PA 17057

                          *Ask about discounts for R3V members*

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                          • matt0300
                            E30 Addict
                            • Mar 2011
                            • 549

                            #14
                            Forgot etas had those

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