stop running

Discussion in 'General Motoring' started by eggo65, Oct 25, 2005.

  1. eggo65

    eggo65 Guest

    I have a 2000 saturn that will be running and then will shut the engine
    off
    and some time you can restart it and it will go for weeks before it mess
    up
    again. some time you have to wait hours before it will start again. do
    you
    think it is a oxygen sensor are a fuel pump
     
    eggo65, Oct 25, 2005
    #1
  2. eggo65

    Gary Guest

    Could be the crank sensor as well. My sister's Saturn had one become
    intermittent. Seems like it would not start at all in very cold weather,
    sometimes. It was really frustrating since they do not generate a code
    since if it has no output the computer assumes that the engine is not
    running. They are pretty cheap as well if I remember correctly.

    Oxygen sensor usually just make it run poorly, like really rich and very bad
    gas mileage. The computer will have a code for a bad O2 sensor. Failing
    fuel pumps loose pressure, and may need to crank the engine for an extended
    period of time to start. Also it may hesitate or die during acceleration.
    Usually they test them by measuring the pressure that they pump. If you
    suspect the fuel pump and have it tested you may as well have the fuel
    filter replaced at the same time.
     
    Gary, Oct 26, 2005
    #2
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