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Thread: Idles fine but then no power....won't move.

  1. #1
    Senior Member Ras12's Avatar
    Join Date:  Apr 2012

    Location:  New England

    Posts:    249

    My VIN:    10350 SEARCHING FOR VIN#16664

    Club(s):   (DMCNE)

    Idles fine but then no power....won't move.

    I am working on another recent DMC acquisition and replaced the fuel pump and return line. Also removed and cleaned all the injectors and went through the fuel distributor to make sure I was getting fresh fuel. I got her to idle ok and when cold the idle will hunt around then level out. I am sure I have a vacuum leak somewhere but will that prevent her from increasing the RPMs and moving while in gear because cannot move her when in gear. She just pops and farts when I give her gas. She won't stall out just cough and gag and not go anywhere.

    I tried uploading a video but kept getting an error message.

    Any input, advice or direction would be greatly appreciated.
    Last edited by Ras12; 06-04-2017 at 08:28 AM.

  2. #2
    Delorean Guru
    Join Date:  May 2011

    Location:  Northern NJ

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    My VIN:    10757

    Club(s):   (DMA)

    Do you hear the frequency valve buzzing?
    David Teitelbaum

  3. #3
    Senior Member
    Join Date:  Sep 2014

    Location:  West Sayville, N.Y.

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    My VIN:    005058 000927

    Club(s):   (AZ-D) (DMA) (DOA) (DCUK)

    If the problem goes away after engine warmup I would check the Control Pressure Regutator and its vacuum source. Another possibility is a leak at the Idle Air Regulator particularly the air pipe to sensor housing connection.

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