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  1. P

    Hissing from passenger side vents with AC on

    I found the problem its a sensor in the black hvac box behing the glove box dont know the actual name but got a pic
  2. P

    im at the end of my rope with my expedition

    Crank sensor or timing is wrong also sounds like injectors are garbage
  3. P

    Hissing from passenger side vents with AC on

    Hey all, I am new and glad I found this site. Anyways I just started having this problem, with my AC on and running I hear a hissing noise coming from my passenger side vents and it lasts about 3 seconds goes away for about 15 than starts to hiss again and repeat this cycle. Does anyone know...
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