OBD-II · Engine and powertrain (P)
P0344
Camshaft position sensor A circuit intermittent bank 1
What it means
The camshaft sensor A signal on bank 1 drops out briefly.
Symptoms
- longer cranking before the engine starts
- rough running or reduced power
- engine warning light
- sometimes stalling
Likely causes, most likely first
| No. | Cause |
|---|---|
| 01 | loose or oil-soaked connector |
| 02 | chafed wiring |
| 03 | sensor failing when hot |
| 04 | poor ground |
What to check, step by step
- 01Wiggle-test the connector and wiring while the engine is running
- 02Clean oil from the connector and fix the source of the leak
- 03Check the supply voltage and ground for drops
- 04Replace the sensor if dropouts continue