Should I replace both cam sensors?

Only if both are failing. Replace the one that triggered the code.

P0346

High Severity

Engine System

Bank 2 cam sensor signal is out of expected range.

Common Fix

Replace cam sensor

Estimated Cost (DIY)

$15 - $50

Failing sensorlikely

Timing chain stretchpossible

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Is this the same diagnosis as P0341?: Yes, same process on bank 2.
Should I replace both cam sensors?: Only if both are failing. Replace the one that triggered the code.

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