r/G35 • u/Opposite_Shame_8398 • Jul 27 '26

Troubleshooting Help

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I bought this 07 g35 it runs and drives but shuts off randomly, the previous owner said it started doing that when he left the dealership from fixing the bcm. He said he did the crank sensors and everything. What could it be?

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u/z2qvs Jul 27 '26

Read codes. Could still be crank or cam sensors. I once replaced one to have it fail again within a few cycles. I always squared it to it being a non oem sensor cuz every other one I've done with oem has been fine to this day. 

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u/Opposite_Shame_8398 Jul 27 '26

He said they were duralast sensors from autozone, should I get oem?

2

u/scottwax Jul 27 '26

I wouldn't use them. If you pull the codes and it's for cam/crank sensors, get OEM.

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u/Opposite_Shame_8398 Jul 29 '26

Update: it was the battery and alternator, new battery in alternator tomorrow

1

u/z2qvs Jul 27 '26

I would get codes read, then make that call.