Question about 1983 Cadillac DeVille

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Will not idle. Car has been not running for a

Will not idle. Car has not been running for a year. Replaced fuel filter. 1983 Cadillac Seville. Replaced several vacumn hoses.

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  • eliden Jul 13, 2009

    Car has throttle body injection. I did take the top and injectors apart. All looked very clean but still ran the same. If i pump the throttle it will stay running.

  • eliden Jul 16, 2009

    Car has the throttle body injection and it is a 4.1 engine. I did add 4 gal of fresh fuel but did not drain old fuel. Less than 1/4 tank.

  • Mike Butler
    Mike Butler May 11, 2010

    Carburetor or fuel injection, and what engine, 4.1L ?

  • Ronnie Wilson May 11, 2010

    Fuel Injected or Carb. ?

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  • 359 Answers

Add some fresh fuel

Posted on Jul 15, 2009

  • Dennis Gentz
    Dennis Gentz Jul 19, 2009

    fuel turns to varnish under pressure, so in the tank you will be OK with such a small amount of fuel in the tank. In the throttle body varnish will have formed inside the injectors. It is nearly impossible to get it out of the injectors. You could try running it for a while with some injector cleaner in the tank, I doubt the problem will go away with out replacing injectors.

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