Car dies when idling at stoplight

Discussion in 'General Motoring' started by irishruairi, Apr 22, 2007.

  1. irishruairi

    irishruairi Guest

    I have a 1999 Saturn SC2 with an automatic transmission. Lately, it
    has been turning off when I come to a stoplight. It has only done this
    a few times and is not constant. It also has only started hapening
    since it has gotten a bit warmer. It doesn't seem to do it at night,
    though. My AC has been running when it happens. Also, my engine makes
    a rattling noise when it passes 2000 RPMs or when I first start the
    car. Does anyone have a clue as to what it could be? Can I fix it
    irishruairi, Apr 22, 2007
  2. irishruairi

    Oppie Guest

    Is the idle too low? When the AC comes on, the idle should kick up about
    about 100 rpm.
    Is the vibration at 2000 rpm only with the AC on? You might have a
    compressor that is about to fail. Get it checked out before you loose it
    when you need it most.

    Oppie, Apr 23, 2007
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