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  1. 2004 silverado 5.3l knock sensor issue

    Chevy Silverado Forum (GMC Sierra)
    Hello. I have a 2004 silverado with the 5.3l vortec. Check engine light is on with code P0327 (knock sensor 1 circuit low). Before I take off the intake and replace it, I was wondering if someone could tell me what steps to do to verify it's the actual sensor itself and not something else. I've...
  2. Can I carb a 2007 Yukon XL 5.3 Vortec?

    Chevy Truck Talk & GM News
    HELP! My 2007 Yukon XL is giving me such a headache. Parked it a year and a half ago after it started doing all kinds of crazy things, after it started acting up we tried a few things (new plugs & wires, new fuel injectors and rail, checked coils) and none of it helped so we assumed that it...
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