Camshaft Position Sensor A Circuit Range/Performance Bank 2

Where it lives

For P0346, the part to look at first is the sensor named here. The description of P0346 puts it on bank 2.

Check these first

• A faulty cam position sensor A on bank 2
• Wiring or connector faults on the sensor A circuit
• Corrosion at the sensor A connector
• A worn cam or valve train on bank 2
• A faulty ECM input

What to do next

1. Read cam position sensor A on bank 2 with a scan tool
2. Inspect the sensor A connector and wiring
3. Check the sensor A circuit for a short or open
4. Check the cam and valve train on bank 2
5. Replace cam position sensor A if it reads wrong
6. Clear the code and retest

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