VATS 99 deville
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, VATS 99 deville in Past Cadillac Vehicle Discussion; Besides not starting, what else should I be seeing if my car doesn't recognize my key?...
  1. #1
    tsgrpr97's Avatar
    tsgrpr97 is offline Cadillac Owners Fanatic
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    VATS 99 deville

    Besides not starting, what else should I be seeing if my car doesn't recognize my key?

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    MoistCabbage's Avatar
    MoistCabbage is online now Cadillac Owners 10000+ Posts
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    Vats disables the fuel pump and starter. If there's a problem, you'll get a security light, a message, and a code.

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    tsgrpr97's Avatar
    tsgrpr97 is offline Cadillac Owners Fanatic
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    That's what I thought... I just have crank and no start. I didn't hear the fp ramp up, but between the antenna motor and my wife I don't know if I would have heard it anyway.

    After 10 mins. fired right up. It did this once about a year ago. Maybe I'll swap the f/p relay.

  5. #4
    MoistCabbage's Avatar
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    Quote Originally Posted by tsgrpr97
    I didn't hear the fp ramp up, but between the antenna motor and my wife I don't know if I would have heard it anyway.
    If it happens again, remove the gas cap, put your ear to the opening, and have a helper turn the key to the ON position. You should hear the pump run for a couple of seconds. Keep in mind that this will only tell you if the pump is running. It doesn't rule out low fuel pressure, and obviously, there are many other possibilities for a no start condition.

  6. #5
    tsgrpr97's Avatar
    tsgrpr97 is offline Cadillac Owners Fanatic
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    I can normally hear it, and I'm pretty sure I didn't this time. Even though there was a lot going on and I was late for work, it didn't ramp up.

    Do these have an issue with the wiring harness on top of the tank causing an intermittent f/p?

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