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2005 sts

  1. 2005 STS 4.6L P0174 - phantom vacuum leak

    Cadillac STS Forum 2005 through 2012
    The white whale I have been chasing for a few years. My LH2 (~65k miles) has high LTFT (over 20%) on both banks during high engine vacuum, though bank 2 is higher and thus occasionally (maybe every four months) sets a P0174 after extended driving. At cruise or acceleration, LTFT are above 0% and...
  2. 2005 STS V8 Nav LCD display dead, Headlights not coming on

    Cadillac STS Forum 2005 through 2012
    So my 2005 sts seems to be acting a little loopy on the electrical side... issues are as followed 1. Passenger door won’t open when unlocked I have to manually open it from inside.. 2. When I’m driving at night my high beams switch on and off sporadically on there own 3. Navigation screen...
  3. Black Raven

    Black Raven

    2005 1SC Black Raven