Symptoms of P0393 OBD II Trouble Code
- Check Engine Light on
- Bucking or Surging
- Dies out, but may restart if the problem is inconsistent
- May run fine, until it is restarted; then will not restart
Common Causes of P0393 OBD II Trouble Code
- Open in the ground circuit to the camshaft position sensor "B" on Bank 2
- Open in the signal circuit between the camshaft position sensor "B" and the PCM
- Short to 5 volts in the signal circuit to the camshaft position sensor
- Occasionally-Camshaft Position Sensor faulty ? internally shorted to voltage