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p0174

  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. Changing Spark Plugs

    Cadillac DTS Forum 2006 through 2011
    In the next two to three weeks, I will be changing the gasket of the cam cover in the rear of the engine, and at the same time will be replacing the spark plugs, since it is a bit of a pain to take off. I am thinking of using iridium instead of platinum, as they have a higher melting point, and...
  3. 2002 Escalade - Antifreeze bolt BEHIND ENGINE

    Cadillac Escalade, EXT and ESV Forum - 1999 - 2006
    So i was changing the camshaft sensor but i accidentally undid the wrong bolt. This bolt contained antifreeze or oil?....not sure. Its behind the engine to the right. I MUST KNOW does it originally have some rubber grommet/O ring or not? The thing wont seal and its on there tight as...
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