'78 Deville not starting in the morning

Cadillac Deville / Cadillac DTS

  1. Randy Bobandy

    Randy Bobandy LVC Member

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    New Hampshire
    MY CADDY SEEMS TO BE HAVING AN ISSUE WITH FUEL, AFTER ITS BEEN SITTING FOR A WHILE.

    if I USE A LITTLE SHOT OF STARTER FLUID IN THE CARB, IT'LL START, RUN FINE, AND I CAN EVEN START AND STOP ALL DAY. LEAVING IT PARKED AND OFF FOR HOURS AT A TIME.

    BUT IT WILL NEVER START IN THE MORNING.

    MY HYPOTHOSIS IS THAT THE FUEL LINE GOING TO THE CARB MAY WORK ON A VACUUM, HOLDING FUEL ALL NIGHT. THAT WAY WHEN I PUMP THE GAS IT FILLS THE CARB, AND RELIABLY STARTS.

    IF I HAVE A BAD GASKET OR O-RING THIS SEAL (VACUUM) ISNT WORKING AND THE FUEL DRAINS BACK INTO THE FUEL TANK.

    THOUGHTS, IDEAS?

    THANKS,

    RANDY
     
  2. Randy Bobandy

    Randy Bobandy LVC Member

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    Another piece to the puzzle is that when I am driving it around, there is a strong smell of fuel.. Not sure if the two are related.
     

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