P0111 is a generic OBD-II trouble code that means: Intake Air Temperature (IAT) Sensor – Range/Performance Problem. Usually yes in the short term. The car normally runs fine, but fix it soon to avoid failing an emissions test or causing further problems.
What does P0111 mean?
P0111 is a generic OBD-II trouble code that means: Intake Air Temperature (IAT) Sensor – Range/Performance Problem. The engine control module (ECM) stores this code when it detects a fault related to: Intake Air Temperature (IAT) Sensor.
Can I still drive?
Usually yes in the short term. The car normally runs fine, but fix it soon to avoid failing an emissions test or causing further problems.
Symptoms
- Check engine light is on
- Hard starting
- Higher fuel consumption
- Often no noticeable drivability symptoms
Common causes
- Faulty sensor or component
- Damaged wiring or a loose/corroded connector
- Clogged air filter
How to fix it
- Read all stored codes and freeze-frame data with an OBD-II scanner
- Inspect the wiring and connectors for damage, corrosion or looseness
- Test the sensor with a multimeter against the manufacturer's specification
- Replace the faulty component with a quality part
- Clear the code and road-test the car to confirm the repair
Frequently asked questions
What does code P0111 mean?
P0111 is a generic OBD-II trouble code that means: Intake Air Temperature (IAT) Sensor – Range/Performance Problem. The engine control module (ECM) stores this code when it detects a fault related to: Intake Air Temperature (IAT) Sensor.
What causes code P0111?
The most common causes are: Faulty sensor or component; Damaged wiring or a loose/corroded connector; Clogged air filter.
How do I fix code P0111?
Start with these steps: Read all stored codes and freeze-frame data with an OBD-II scanner; Inspect the wiring and connectors for damage, corrosion or looseness; Test the sensor with a multimeter against the manufacturer's specification; Replace the faulty component with a quality part.
Is it safe to drive with code P0111?
Severity: Low. Usually yes in the short term. The car normally runs fine, but fix it soon to avoid failing an emissions test or causing further problems.