P0095
Intake Air Temperature Sensor 2 Circuit Bank 1
Generic electrical fault on intake air temperature sensor 2 (typically post-intercooler) on bank 1. The intake air temperature sensor feeds the ECM's density calculation — a drifted reading miscalculates fuel mass and pushes mixture lean (cold reading) or rich (hot reading).
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: easy
Common causes
Ordered by how often each turns out to be the cause.
- Sensor element failedCommon
Parts involved
- IAT Sensor 2
- Sensor Wiring
P0095 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.