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After replacing the Camshaft and Crankshaft sensors, the engine cranks but does not start?

Tiny
BABIESMOMJESS29
  • MEMBER
  • 2009 GMC ACADIA
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 171 MILES
Replaced crankshaft and a camshaft believe bank 1 it ran after they were replaced now it turns over but will not start and stay running. Does the camshaft have to be positioned at a certain angle to be aligned with crankshaft to time correctly in order to start the vehicle? I need help please.
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Tuesday, December 6th, 2022 AT 8:21 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

Positioning is achieved by the mounting bolt location. You can't change it.

As far as the camshaft position sensors are concerned, there are a total of four. See pic 1 below. Are you certain the correct one was replaced? If you let me know what the original code you found was, I can confirm sensor location for you.

Also, have any new codes been set?

Let me know.

Joe

See pic below.
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Tuesday, December 6th, 2022 AT 4:16 PM

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