Fuel pump :(
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Northstar Engines and System Technical Discussion Discussion, Fuel pump :( in Cadillac Engine Discussion; So I'm leaving off my street and as soon as I turn on the next street the car dies. No ...
  1. #1
    fristim is offline Cadillac Owners Fanatic
    Automobile(s): 98 Concours 212,000 orginal motor,trans
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    Fuel pump :(

    So I'm leaving off my street and as soon as I turn on the next street the car dies. No codes or anything. I do however notice the absence of the fuel pump. Now I could have sworn that a fuel pump failure would set a code but NONE! I jumped 12 volts at the relay connection in the fuse box and still nothing. Am I wrong to say that a fuel pump failure should set a code? I'm assuming that only the control side of the relay is montored. 98 concours 212000 miles!


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  3. #2
    misfit6794 is offline Cadillac Owners Connoisseur
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    Re: Fuel pump :(

    Turn the key to "on" or "acc", then stand buy the fuel door and listen for a high-pitched whine, thats the fuel pump, if you don't hear it, its dead.

  4. #3
    fristim is offline Cadillac Owners Fanatic
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    Re: Fuel pump :(

    Oh I'm quite sure its dead, but was under the conclusion that a dead fuel pump would set a code guess not?

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  6. #4
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Fuel pump :(

    I am not positive, but I don't think the fuel pump will set a DTC.

  7. #5
    fristim is offline Cadillac Owners Fanatic
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    Re: Fuel pump :(

    Thats bout what I was thinking Ranger, with crossover gaskets, waterpump, tensioner, wp belt and now a fuel pump......If the damn thing didn't drive so well I'd be a lil upset

  8. #6
    tateos's Avatar
    tateos is offline Cadillac Owners Connoisseur
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    Re: Fuel pump :(

    212K miles? What else do you want?

  9. #7
    wachuku is offline Cadillac Owners Fanatic
    Automobile(s): '97 Seville STS
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    Re: Fuel pump :(

    A few months ago my Cadi wouldn't start ... until I replaced the fuel pump -- implying the pump was the problem. And there were never any codes indicating the fuel pump was bad. '97 STS.

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