P0111
Intake Air Temperature Circuit Range/Performance Problem
Generic code
Fuel and Air Metering
High severity
Moderate repair
Free on OBD DashX
Want real-world data on P0111?
See which problems come with P0111, how often it shows up in other vehicles, and how to fix it — step by step.
- Real-world fix data
- How often it happens
- Step-by-step repairs
What P0111 means
- The fault code P0111 indicates that there is an issue with the circuit range or performance of the intake air temperature sensor 1. This sensor measures the temperature of the air entering the engine and sends the data to the engine control module (ECM) to adjust fuel delivery and ignition timing.
Possible symptoms
- Illuminated check engine light
- Decreased fuel efficiency
- Rough idle or stalling
- Engine running too rich or too lean
Possible causes
- Failed intake air temperature sensor
- Faulty wiring or connections in the circuit
- Loose or corroded electrical connections
- Failed engine control module (ECM)
Related parts
- Intake Air Temperature Sensor: Intake Air Temperature Sensor measures the temperature of air at which it is taken into the engine. This car's malfunctioning sensor will lead to engine stalling, lack of power and engine noises
Possible solutions
- Replace the intake air temperature sensor
- Check and repair any damaged wiring or connections
- Tighten or clean any loose or corroded electrical connections
- Replace the engine control module (ECM) if necessary
Free on OBD DashX
P0111 on OBD DashX
Real-world causes, how often this code shows up, and the fix — step by step.
Open P0111 No sign-up needed · available in 10 languagesScan your own car
Read and clear fault codes, live data and service resets with the CaRPM app.