P00AD
Intake Air Temperature Sensor 1 Circuit High Bank 2
Generic OBD-II
Common symptoms
What you'll notice
- Check the wiring and connectors of the Intake Air Temperature Sensor 1 Circuit High Bank 2.
- Inspect and clean the Intake Air Temperature Sensor 1 to ensure it is not dirty or damaged.
- Test the Intake Air Temperature Sensor 1 Circuit using a multimeter to verify if the sensor is functioning correctly.
- Scan and diagnose the vehicle's computer system for any related error codes and address them accordingly.
- If all else fails, consider replacing the Intake Air Temperature Sensor 1 Circuit High Bank 2 with a new one.
Common causes
Most likely first
- Faulty intake air temperature sensor
- Loose or corroded wiring connections to the intake air temperature sensor
- Intake air temperature sensor located too close to the exhaust manifold, causing false high readings
- Engine coolant temperature sensor malfunction causing incorrect intake air temperature readings
- Faulty engine control module (ECM) not accurately reading intake air temperature sensor data
How to diagnose & fix
Work through it in order
- Engine misfires or stalls
- Decreased fuel efficiency
- Rough idling or difficulty starting the engine
- Decreased engine performance or power
- Increased emissions or failed emissions test
Read & clear P00AD yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.