- Faulty Camshaft Position Sensor
- Camshaft Position Sensor harness is open or shorted
- Camshaft Position Sensor circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P127b DescriptionThe Engine Control Module (ECM) monitors the Camshaft Position Sensor. The ECM sets the OBDII code when the Camshaft Position Sensor is not to factory specifications.
P127B Information for specific makes
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