The P0111 trouble code indicates an issue with the range or performance of the intake air temperature sensor circuit. This code typically points to problems with the sensor responsible for measuring the temperature of the incoming air, affecting the engine’s performance and fuel efficiency.
Intake Air Temperature Circuit Range/Performance
Code symptoms P0111.
1. Decreased engine performance.
2. Rough idling or stalling.
3. Decreased fuel efficiency.
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P0111.
1. Faulty intake air temperature sensor.
2. Wiring or connector issues within the sensor circuit.
3. Problems with the Engine Control Module (ECM).
Code Solutions P0111.
1. Inspect and replace the intake air temperature sensor if it is faulty.
2. Check and repair any issues with the wiring or connectors in the sensor circuit.
3. If ECM issues are suspected, consult a qualified technician for diagnosis and potential reprogramming or replacement.