Question about Oldsmobile Cutlass Supreme

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I dont know i got thru or not , im not use to this process,i want to ask a expert about the 1991 olds not running

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  • paul Sep 10, 2009

    this car was running ok, would not run one morning, there was no spark what so ever , fuel pumps out of the valve on the fuel rail, checked fuses behind glove box, and under hood, ecm fuses etc fuel pump ecm relay, replaced the crank shaft postion sender as there was no continuity, thought that would be the problem, now the car will fire once ,and the, spark disapears. one spark only, rechecked some fuses again but gave up for now as of the time involved, guy went and bought a nother beater to get to work ,firist thought was no fuel, but , it is as though the engine moniter or what its called wont take over the job odont remember any light on the dash and dont have a db1 scan tool 1991 old cutlass supream

  • paul Sep 10, 2009

    thanks for the site on the codes i prited this off and will keep it on file, will have to get a db1 scan tool but will try this other route firist , thanks paul

  • paul Sep 10, 2009

    have replaced sensor and chacked wire fires once now but thats all

  • paul Sep 10, 2009

    had trouble navigating thru all the links etc poated my problen on different parts of the page



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You need to give me full details of what the problem is, has the fuel pressure been checked? if that is ok is the spark ok to the spark plugs, do you have any trouble codes? here is how you run a computer trouble code test, go to the link below.

Posted on Sep 10, 2009

  • yadayada
    yadayada Sep 10, 2009

    I am a OLDS dealer tech of 10 years and there is a check engine/service engine soon light in the dash, u have to run the test to figure out the problem, the tool to read direct is called a OBD 1 scanner, they run about $100, if you want a guess the crankshaft position sensor has failed



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