P0114
Intake Air Temperature Sensor Intermittent
The IAT signal shows intermittent dropouts or jumps that fall outside slope expectations but do not stay above or below threshold long enough to trigger P0112/P0113. Usually a wiring or connector issue.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Loose or oxidised connectorCommon
- Wiring chafed against enginePossible
- Connector with intermittent contact under vibrationLess likely
Parts involved
- Intake Air Temperature Sensor
- Intake Air Temperature Sensor Wiring
P0114 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.