P0113 Nissan Sentra
Intake Air Temperature Sensor 1 Circuit High · Powertrain Code · Low · Repair: Easy
What is P0113?
The IAT sensor is reading above its expected range — possible open circuit.
When the Nissan Sentra triggers code P0113 (intake air temperature sensor 1 circuit high), it typically points to an issue in the powertrain system. Below you'll find the most common causes, symptoms, and repair options specific to the Nissan Sentra.
This repair is rated easy, meaning basic tools, no lift needed.
Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your Nissan Sentra.
Common Causes on Nissan Sentra
- Failed IAT sensor circuit within the MAF sensor assembly
- Open circuit in IAT sensor wiring harness
- Corroded MAF/IAT sensor connector
- Water intrusion into the MAF sensor connector
Symptoms
- Check Engine Light on
- Slightly rough idle when cold
- Minor fuel economy decrease
- Engine may run slightly rich on startup
Notes for Nissan Sentra
Nissan combines the IAT sensor into the MAF assembly; replacing the MAF fixes both P0101 and P0113.