Hello. I have a 2000 323i. I was getting the code for all four of my o2 sensors, and both cam shaft sensors. I replaced all of the o2 sensors along with the intake cam shaft sensor. The top 2 o2 sensors are still showing a code. Could that be because I have not replaced the exhaust cam shaft sensor yet? Would that affect how the o2 sensors read?

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Is the code for the circuit or the signal function? The camshaft sensor should not cause o2 faults.

- Nick