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Codes P0238 and P051D, how to fix these codes?

Tiny
DAREDEVILGLOBE
  • MEMBER
  • 2016 FORD MUSTANG
  • 2.1L
  • 4 CYL
  • TURBO
  • AUTOMATIC
  • 64,000 MILES
I'm wondering if anyone has advice to fix these codes as these two codes keep popping up and the check engine light doesn't go away even after replacing the MAPsensor.
Wednesday, February 8th, 2023 AT 9:45 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
P0238 - Turbocharger/Supercharger Boost Sensor A Circuit High
P051D - Crankcase Pressure Sensor Circuit High

The codes are likely related. Here is what I need you to check first. The positive crankcase ventilation valve (PCV) hose or valve could be plugged, disconnected, or damaged. I need confirmation. Does this have a 2.4L turbo engine?

If it does, the PCV valve is under the intake. We may have to remove the intake to check it. See if you can gain access to it if you use a shop mirror.

Let me know.

Joe
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Wednesday, February 8th, 2023 AT 3:28 PM
Tiny
DAREDEVILGLOBE
  • MEMBER
  • 4 POSTS
I was able to fix code P051D it was a lose cable, and yes it does have a 2.4L turbo engine.
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Wednesday, February 8th, 2023 AT 3:45 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

First, thanks for the update. Also, I'm glad to know you found the issue.

Please feel free to come back anytime in the future.

Take care,

Joe
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Wednesday, February 8th, 2023 AT 3:48 PM

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