eta starts then dies

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  • Mischief3003
    Advanced Member
    • Oct 2006
    • 170

    #1

    eta starts then dies

    So I decided to clean my icv yesterday and looked over the rubber hoes for any cracks. Afer reinstalling my icv, the car would start, rev to 1300, then die.

    I swapped in another icv and both of the reference sensors. The afm is opening, and can hear the fuel pump when it does fire up.

    Before this happened, my car was having accelerating problems. if i floored the pedal, the motor studder around 3500-4000 rpm for just a second.

    This car is my dd and need it on the road asap.

    Any ideas?
  • ak-
    R3V OG
    • May 2009
    • 12422

    #2
    Was it working properly before you cleaned your ICV?
    I think you have an air leak somewhere. Triple check your install.

    1991 325iS turbo

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    • e30:)
      Mod Crazy
      • Oct 2008
      • 728

      #3
      did you unplug your afm and forget to plug it back in?

      Comment

      • Cyrix2k
        E30 Addict
        • Mar 2010
        • 593

        #4
        Check your intake boot. This sounds like what my car did when the boot split... it's hard to see until you move the boot around a bit.

        :edit: Also, make sure the ICV hose is fully seated in the intake boot. The car won't idle if the hose is disconnected.
        1997 540i/6 - stock
        1985 325 - M50NV - Getrag 250 - 2.79 LSD - MS2/e -LC-1 - 750cc injectors - Blunttech Manifold - HX35 - AEM UEGO
        1991 318i - M50NV - Getrag 240 - 4.10 open - e36 rack - Smileys - 55w 5000k HIDs

        Comment

        • jlevie
          R3V OG
          • Nov 2006
          • 13530

          #5
          Intake leaks are a possibility, but given the symptoms I'd check the rail fuel pressure first.
          The car makes it possible, but the driver makes it happen.
          Jim Levie, Huntsville, AL

          Comment

          • Mischief3003
            Advanced Member
            • Oct 2006
            • 170

            #6
            The car ran fine before cleaning the icv, except for the random studder when flooring it.

            afm is plugged in, Intake boot isn't torn, and the system builds up fuel pressure and i can hear the pump, but i haven't actually trsted the pressure yet.

            I'm now leaning towards the ecu, tps, or some sort of vacuum leak. Does anyone know what the ohms rating should be for the TPS?

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