Powertrain
generic / SAE
P0111
Intake Air Temperature Sensor Range/Performance
The intake air temperature (IAT) sensor reading does not change plausibly with engine warm-up or after driving begins. Many vehicles share the IAT into the MAF housing; on those, MAF replacement also replaces IAT.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number1 / 11
Possible causes
- Sensor drifting outside specification high
- Sensor element coated with oil or dirt medium
- Sensor element aged beyond calibration window low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 30–200 €
- Estimated time: 0.2–1 h
- Component: intake air temperature sensor
- Component: mass air flow sensor
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012