1996sl2 DOHC Idles rough

Discussion in 'Saturn S-series' started by Deadpan, Jan 15, 2005.

  1. Deadpan

    Deadpan Guest

    My car seems to idle rough only at idle and it is running rich. I just
    bought the car and it had a bad cts. I replaced that and it ran great for
    about 100 miles. Then the check engine light came on and within 20 miles
    the the idle became rough. I check the codes and got "EGR insufficient
    flow detected". I removed the egr and it was stuck closed. Cleaned it
    reinstalled and reset codes. the light has not come on again but the
    problems are still there. The plugs and wires are new. The cruise
    control also started acting up at about the same time the light start
    coming on. It will work fine for a minute then just start accelerating
    until I hit the breaks.
     
    Deadpan, Jan 15, 2005
    #1
  2. Deadpan

    Tony Guest

    Check the O2 sensor and the engine coollant temp sensor. I had problems
    with the later (rich, high idle and stalling) and it ran remarkablely
    fine with a new sensor.
     
    Tony, Jan 16, 2005
    #2
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