Code E52, E67 and F40, engine cranks but does not start?

Tiny
JAODONNE
  • MEMBER
  • 2010 BMW 528I
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 155,000 MILES
Engine cranks but doesn’t start, engine code 2A9A.
Replaced crank and cam sensor.
Monday, October 2nd, 2023 AT 6:56 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,269 POSTS
Hi,

When cranking the engine, does it sound normal? In other words, do you notice any difference in the sound or speed the engine turns?

I ask because the sensors you replaced are relevant, but there are other things that may be causing the issue. My biggest concern is if there is an issue with the timing chain.

Is it possible for you to record it cranking and upload it for me to hear? I should be able to tell if it is timing-related

Take a look through this link as well, you may find it of interest:

https://www.2carpros.com/articles/car-not-running-advanced

Let me know.

Joe
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Monday, October 2nd, 2023 AT 9:07 PM

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