Codes P0018 and P0019, engine cranks but will not start?

Tiny
POPMUMBLES
  • MEMBER
  • 2012 BUICK ENCLAVE
  • 3.6L
  • V6
  • 2WD
  • AUTOMATIC
  • 209,271 MILES
Just replaced the starter was running fine until the starter went bad, now it just cranks and won't start. I have 2 codes P0018 and P0019.
Tuesday, May 23rd, 2023 AT 6:13 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,867 POSTS
Hi,

If this happened only after replacing the starter, there is a good chance something came disconnected. The codes are indicating both the intake and exhaust camshaft position sensors are out of sync with the crankshaft position sensor, but it's only on one side of the engine. Initially, I was thinking the timing chain for bank two was damaged, but that wouldn't happen from replacing a starter.

I attached a pic below showing both the intake and exhaust camshaft position sensors on bank 2 which is the front of the engine. Check to make sure nothing is disconnected or damaged.

Let me know what you find.

Joe

See pic below. Note: If possible, record it cranking and upload it for me to hear. If it is an actual timing issue, I should be able to tell. Also, the arrow in the pic below points to the front of the vehicle.
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Wednesday, May 24th, 2023 AT 8:04 PM

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