P0347: Camshaft Position Sensor A Circuit Low Bank 2 — what it means, the affected system and what to check before replacing parts.
Meaning, symptoms, causes and checks
Camshaft Position Sensor A Circuit Low Bank 2. Basic catalogue definition; diagnostic details have not yet been reviewed.
Affected system: Powertrain
Symptoms
- Check engine light illumination
- Rough engine idling
- Engine misfires or hesitation
- Decreased engine power and acceleration
- Increased fuel consumption
Possible causes
- Defective camshaft position sensor
- Damaged or frayed wiring harness
- Loose or corroded electrical connector
- Accumulation of sludge or debris on sensor tip
- Timing belt or chain jump
- Damaged reluctor wheel
What to check
- Inspect the wiring harness and connectors for signs of damage or corrosion
- Measure the voltage supply at the sensor harness connector using a multimeter
- Test the sensor ground circuit for continuity and resistance
- Remove and clean the sensor tip of any metallic sludge or debris
- Verify proper engine timing marks and chain or belt condition
- Check the signal output from the sensor while the engine is cranking
Also written as: P0347-00, P034700, PO347 (some scan tools add the fault-type byte, e.g. -00).