The engine cranks but does not start and the check engine light is on with code 2A9A?

Tiny
JAODONNE
  • MEMBER
  • 2010 BMW 528I
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 155,000 MILES
Vehicle will not start, engine turns.
Check engine light - engine code 2A9A.
Thursday, December 14th, 2023 AT 8:24 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi,

The code is specific to the inlet camshaft position sensor. Either we have a faulty sensor, or there is a short to ground, power, or an open circuit.

With that in mind, inspect the wiring and connector at the sensor. If everything appears good, chances are the sensor is faulty,

I attached the directions below for replacing the sensor. Take a look through them and let me know if you have questions.

Take care,

joe

See pics below.
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Thursday, December 14th, 2023 AT 8:33 PM

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