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Thread: Deville 94 4.9 V8 - no start

  1. #31
    CaptainAmericaUSA is offline Cadillac Owners Member
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    Re: Deville 94 4.9 V8 - no start

    The tow truck guy said he use to work for cadiliac said sounds like a fuel system problem.


  2. #32
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    From GM tech to tow truck driver? Yeah, ok...

  3. #33
    CaptainAmericaUSA is offline Cadillac Owners Member
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    Re: Deville 94 4.9 V8 - no start

    Lmfao

  4. #34
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Deville 94 4.9 V8 - no start

    OK, looks like it actually ran for a few seconds in the 1st video. That would indicate that you have ignition. Check your fuel pressure.

  5. #35
    dennis93coupe's Avatar
    dennis93coupe is offline Cadillac Owners Connoisseur
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    Re: Deville 94 4.9 V8 - no start

    Like somebody already suggested, what is your fuel pressure with a gauge on it? When was the fuel filter changed last?

  6. #36
    brougham is offline Cadillac Owners Master
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    Re: Deville 94 4.9 V8 - no start

    Check the fuel pressure. It could also be an ignition problem of some sort. If something is affecting the timing or it's not trying to fire on all 8 cylinders that will easily make it do what it's doing in the video.

  7. #37
    cadillac_al is offline Cadillac Owners Connoisseur
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    Re: Deville 94 4.9 V8 - no start

    It sounds like no fuel to me too. If you don't have a gauge you could dribble a little fuel in the throttle body and see if it starts for a couple seconds. The correct procedure would be to verify fuel pressure with a gauge.

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