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91 318is sputtered and died now wont start...

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    91 318is sputtered and died now wont start...

    I know whatever it is its most likely something simple and stupid, but before I start diagnosing I'm wondering if anyone has had similar issues.

    Car in Question: 1991 318is, 24k on motor 210k on car
    I recently went through about 5k miles ago and replaced plugs, fuel filter, air filter... bla bla bla main tune up stuff. Wires have about ~15k on them.

    Now the issue....

    I was driving home from work today on the highway cruising about 80mph, then the car sputtered a little. I barely noticed, but it caught my attention so I look and I have about a 1/4 tank of gas and carry on. Does it again, then again acting like its running out of gas. Well this is odd, I know I have plenty of fuel, as I only have 280 miles on the tank (I can go ~325-350). Well then it sputtered and died like it ran out of gas, so I pulled over tried to crank it... nothing just cranks and doesnt even try to start. Ok, well maybe I DID run out of gas. So I walked to the gas station put 4 gallons in it, get in the car fires right up. Thinking to myself that I'm getting terrible mileage and my gauge is broken I carry on my way. (The car sat for maybe 15 minutes)

    I feel the car sputter again about 3 miles down the highway, and it dies again. So I coast about 3 miles to the exit, and let it sit. This time when I try to start it it coughs and sputters like it wants to, just wont. It will for a couple seconds then dies. I has it towed to my buddies shop so we can look at it in the morning.

    So as of right now I'm stumped... Any ideas??

    Sorry for the novel, and tits for your troubles.




    #2
    Did it crank like it had a low battery or as normal? If the former I would suspect either an alternator issue (probably brushes) or a ground issue.

    I don't suppose you smelled fuel anywhere?

    Comment


      #3
      Cranks just fine. Battery is a couple months old and replaced all the cables with OEMs

      Comment


        #4
        fuel pump

        Turbo M42 Build Thread :Here
        Ig:ryno_pzk
        I like the tuna here.
        Originally posted by lambo
        Buttchug. The official poster child of r3v.

        Comment


          #5
          Originally posted by Dj Buttchug View Post
          fuel pump
          Come on, way too obvious! Symptoms leading directly to issue resolution, unthinkable!

          Comment


            #6
            Lol was about to say the pump
            DENY IGNORANCE!
            Schwarz 325-totaled
            brilliantrot 318i-daily

            Originally posted by mkcman17
            don't think your hamster wheels are fast now. you will still have to give up when trying to pass that V6 odyssey to make your offramp.

            Comment


              #7
              Thanks for the advise. the first thing we were going to check in the AM was the fuel pressure to rule it out. I just was mainly looking for ideas as to what possible culprits could be. I'm coming from Honda's when a symptom like this is usually a relay. Correct me if I'm wrong, but the e30 pump kicks on when it cranks, and not with the ignition in the on position?

              Comment


                #8
                Correct I'm putting all my chips on a dead pump
                Originally posted by bmwm42
                PNW vulture pm me for parts
                Strategic nw e30 command

                Comment


                  #9
                  And the winner is... Fuel pump. Thanks for the replies.

                  Comment


                    #10
                    Originally posted by Bglad View Post
                    And the winner is... Fuel pump. Thanks for the replies.
                    internet diagnosis at its finest lol.

                    TRE fuel pumps. buy a 255lph. Best decision youll ever make.

                    Turbo M42 Build Thread :Here
                    Ig:ryno_pzk
                    I like the tuna here.
                    Originally posted by lambo
                    Buttchug. The official poster child of r3v.

                    Comment

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