Índice de códigos de avería · medium
P0113
IAT Sensor circuit low voltage (high air temperature)
IAT Sensor circuit low voltage (high air temperature)
Documented for: 2.0L gasoline; 2.5L/3.0L gasoline · System(s): EMS EOBD, EMS OBD II · Factory MIL flag: 2 · Default action: ECM Default: –Default value of 25 °C (77 °F) used
Common causes
- IAT Sensor to ECM wiring: short circuit to ground IAT Sensor failure
- Defective Intake Air Temperature Sensor
- Dirty air filter
- Defective Mass Air Flow Sensor
- Defective IAT Sensor
- Defective MAF Sensor
Quick checks
- Confirm freeze-frame and conditions when the code set
- Inspect connectors, grounds, and harness for the circuit named in the code
- Compare live sensor values vs expected (unplugged/biased sensors are common)
- Check intake boots, PCV, and vacuum lines for splits (very common on aged X-Types)
Typical fixes
- Replace air filter
- inspect/replace IAT/MAF sensor
- inspect IAT/MAF