My 318 should be shot and hung

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  • bimmerlover
    E30 Addict
    • Nov 2003
    • 424
    #1

    My 318 should be shot and hung

    It keeps leaving me stranded! I had to walk home AGAIN today. Grr..
    Any troubleshooting ideas would be greatly appreciated. Here's what's going on:

    I'll be cruising along and all of a sudden lose power (or stop getting gas?) and sometimes, I can coast along and it (whatever it is that cut off in the first place) will come back on and I can keep rollin'. Other times.. it just keeps slowing down until it completely dies. Then, I typically spend 5-10 minutes trying to get it to start. Cranks and cranks and cranks, sometimes attempts to idle and dies again. Step on the gas, it doesn't get anything.

    What I know so far is.... I've got spark and I've got fuel pressure (how much? dunno yet). Replaced fuel pump, relay and filter.

    Any ideas at all?
    Tags: None
    • iXer
      Wrencher
      • Nov 2003
      • 242
      #2
      Clean the contact areas of the relays in front of the left shock tower, this is where you will find the main and fuel pump relay, a third one for the warming of the lambda sensor can be found on Motronic cars.. which you don't have (K-jet ?).
      Come to think of it, clean all of the electrical connectors that you can see in the engine bay. If you find corrosion, fix it. Your car is 20 years old, most electronic parts need to be looked over.

      /Mattias

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        • Ryan Stewart
          I Love Miatas
          • Oct 2003
          • 8978
          #3
          fo shizzle. grounds can fail very easily. when I first got the car it died like it had a dead battery. The little bare ground wire had snapped.

          And show a little leg when it breaks down and you should be able to get a ride home.
          Im now E30less.
          sigpic

            Comment

            • UNHCLL
              R3V OG
              • Oct 2003
              • 8789
              #4
              main relay for the fuel pump.
              Should have one me thinks.
              Replace it.
              Below the radar...

                Comment

                • bimmerlover
                  E30 Addict
                  • Nov 2003
                  • 424
                  #5
                  Originally posted by Ryan Stewart
                  And show a little leg when it breaks down and you should be able to get a ride home.
                  ROFL. I'll remember to try that next time.

                  main relay for the fuel pump.
                  Should have one me thinks.
                  Replace it.
                  Replaced that 2 months ago and just to be sure.. used a test light to check it yesterday. Workin' fine. Good thought tho.. I still think somehow it's fuel related.

                    Comment

                    • kylebes1
                      R3VLimited
                      • May 2004
                      • 2804
                      #6
                      I was gonna recomend the fuel pump realy as well, I think they are 30 bucks or so, but it seems like that is problem; next time it crappign out on you jump the fuel pump relay and see how it does. Also check the hoses on the pump itself, I too have an 84 318i and it acted up kinda like that until it leaked gas and I realized the trouble.

                      PM with any other questions man, I went through some crap with that m10, maybe I can help ya.

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