SES 95 SL

Discussion in 'General Motoring' started by hover craft, Aug 17, 2003.

  1. hover craft

    hover craft Guest

    I have a 1995 sl the service engine soon light goes on and off
    sporadically no code set in computer. the coil pack have both been
    replaced as well as a full tune up. anyone have any ideas?
     
    hover craft, Aug 17, 2003
    #1
  2. hover craft

    Robert Hancock Guest

    It's abnormal for there to be no code set but to have the Service Engine
    Soon light coming on. There are a few cases where that could happen, though,
    like if the engine speed dropped down to near stall, or if the ECM stopped
    receiving ignition reference pulses (but then the engine should stop
    receiving fuel and stall in that case). If it just comes on with the engine
    running and no codes are set, however, I would suspect either a problem with
    the power to the ECM or the ECM is shot.
     
    Robert Hancock, Aug 18, 2003
    #2
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