Camshaft Position Sensor A Circuit Intermittent Bank 1 or Single Sensor

Where it lives

For P0344, the sensor sits on the circuit this code reports. The description of P0344 puts it on bank 1.

Check these first

• An intermittent cam sensor A fault
• A loose or corroded sensor A connector
• A poor sensor A ground circuit
• Wiring chafing on the sensor A circuit
• Low oil pressure or worn engine parts

What to do next

1. Monitor cam position sensor A on a scan tool for dropouts
2. Inspect the sensor A connector and wiring for looseness
3. Check the sensor A ground circuit
4. Wiggle test the harness while watching the signal
5. Replace cam position sensor A if it drops out
6. Clear the code and retest

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