P017E
Cylinder Head Temperature Sensor A Circuit Intermittent/Erratic
Generic OBD-II
Common symptoms
What you'll notice
- Check the wiring and connectors for any loose or damaged connections.
- Inspect the cylinder head temperature sensor for any signs of damage or malfunction.
- Clean the sensor and ensure it is free from any debris or dirt.
- Reset the OBD2 error code and monitor the system to see if the issue persists.
- If the problem continues, consider replacing the cylinder head temperature sensor.
Common causes
Most likely first
- Damaged or faulty cylinder head temperature sensor
- Loose or corroded electrical connections to the cylinder head temperature sensor
- Engine overheating or coolant leakage
- Faulty engine control module (ECM)
- Wiring harness or circuit malfunction
How to diagnose & fix
Work through it in order
- Engine overheating
- Rough or uneven idling
- Difficulty starting the engine
- Poor fuel efficiency
- Illumination of the check engine light
Read & clear P017E yourself
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