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    ECU failure

    On my way to work yesterday, my computer failed. Now the car searches between 1 and 2 grand. I've lost a ecu in the past during startup but never during normal driving. I'm just curious if anyone has clues. My grounds all seem fine. Ecu relay is new. If I slap another one in, it might go another 5 years but the problem would be unsolved. Maybe it's time for mega squirt.... Thanks

    #2
    I have never had anything close to a 5yr life expectancy of an ECU. They seem to last forever as long as they don't get wet or shorted.

    Searching between 1-2k rpm seems more like a large vacuum leak.
    john@m20guru.com
    Links:
    Transaction feedback: Here, here and here. Thanks :D

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      #3
      Agreed- the things are pretty tough. What leads you to diagnose it as dead?

      t
      now, sometimes I just mess with people. It's more entertaining that way. george graves

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        #4
        Is this an "i" or an "e" motor?
        101

        The E30 collection:
        1987 325es M52 - Schwarz / Taurus Red Sport (son #2's)
        1987 325is - Delphin / Black Sport (son #3's)
        1987 325i Convertible - Triple Black
        1989 325iX Coupe - Diamondschwarz / Black Comfort
        1990 325iX Coupe - Sterling Silver / Grey Sport

        1981 Fiat 124 Spider 2000 - Green / Tan
        1998 Volvo V70 GLT - White / Tan
        1998 Volvo S70 T5 manual - White / Taupe
        2001 Ford Windstar - Silver / Grey (parts hauler)
        2006 Lexus GX470 - White / Tan (tow rig)

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          #5
          If you have a 153 two board DME, swap it for a 173. The 153s are a lot more prone to failure.
          2006 GMC Sierra 2500HD 4WD LBZ/Allison
          2002 BMW M3 Alpinweiß/Black
          1999 323i GTS2 Alpinweiß
          1995 M3 Dakargelb/Black
          - S50B32/S6S420G/3.91
          1990 325is Brilliantrot/Tan
          1989 M3 Alpinweiß/Black

          Hers: 1996 Porsche 911 Turbo Black/Black
          Hers: 1988 325iX Coupe Diamantschwartz/Black 5spd

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