P00F3
Humidity Sensor Circuit Range/Performance
Generic OBD-II
Common symptoms
What you'll notice
- Check and replace the humidity sensor
- Inspect and clean the wiring connections of the humidity sensor
Common causes
Most likely first
- Faulty humidity sensor
- Corrosion or damage to the humidity sensor circuit wiring
- Malfunctioning climate control system
- Faulty engine coolant temperature sensor
- Electrical issues within the vehicle's wiring system
How to diagnose & fix
Work through it in order
- Check engine light illuminates on the dashboard
- Decreased fuel efficiency
- Rough idle or stalling
- Engine misfires or hesitation during acceleration
- Impaired engine performance or loss of power
Read & clear P00F3 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.