Intake Air Temperature Sensor 1 Circuit Low Bank 2

Common symptoms

What you'll notice

• Check and clean the air filter to ensure proper air flow
• Inspect and clean the intake air temperature sensor to address any potential issues or dirt buildup
• Check and ensure the wiring and connectors for the intake air temperature sensor are in good condition and properly connected
• Inspect and potentially replace the intake air temperature sensor if it is faulty or damaged
• In rare cases, there may be an issue with the engine control module (ECM), so consider having it inspected or reprogrammed if necessary.

Common causes

Most likely first

1. Faulty intake air temperature sensor
2. Loose or corroded wiring/connectors in the intake air temperature sensor circuit
3. Intake air temperature sensor circuit shorted to ground
4. Engine coolant temperature sensor malfunction
5. Faulty engine control module (ECM)

How to diagnose & fix

Work through it in order

1. Engine misfires or runs rough
2. Decreased fuel efficiency
3. Difficulty starting the vehicle
4. Illuminated Check Engine Light
5. Hesitation or lack of power in the engine