crankcase pressure sensor

  1. C

    Jerking when accelerating- P051B Crank case Pressure?m sensor?

    Hey everyone! I’m brand new! I have a 2017 Ford expedition, and have been experiencing an issue when accelerating. There is some jerking, and if you try to push beyond the jerking the check engine light flashes briefly. We had this issue before, and the spark plugs were replaced, as well as an...
  2. L

    Increasing Oil Level / Crankcase Pressure Sensor Performance (P051B)

    Hey everyone, Backstory: About 45 days ago, I bought a 2016 Ford Expedition w/ the 3.5 ecoboost (EL King Ranch) w 86k miles. Within the first two weeks of owning it, we dropped down to negative 20 degree days and we had to make some longer trips. As always, I let my truck warm up a bit to the...
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