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Error code P1388

Tiny
ONEMARK23
  • MEMBER
  • 2012 BMW 320
  • 2.0L
  • 4 CYL
  • TURBO
  • 2WD
  • MANUAL
  • 104,000 MILES
I was driving and the car came up with drive-train fault all of a sudden the engine shut off. It would turn over but not fire. I had it towed home and a friend has a code reader it came up with just one code P1388. Looked it up and it said camshaft retarded. I was told it's the camshaft sensor is this correct? Hope so as I have ordered a new one.
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Thursday, January 9th, 2020 AT 4:13 AM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Unfortunately, I don't think the sensor is the issue. More than likely you have a variable valve solenoid issue or actuator issue. When these get stuck open it retards the timing. This could be because of a failed solenoid, actuator, or contaminated oil.

Check out all this info and let me know if you have questions. Thanks

https://www.2carpros.com/articles/how-camshaft-variable-valve-timing-works
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Thursday, January 9th, 2020 AT 11:14 AM

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