Check Engine Code
P0113
Intake Air Temperature (IAT) Sensor 1 Circuit High
Severity: low
DIY difficulty: 1/5
Typical cost: $15–$80
What P0113 means
P0113 means the IAT sensor signal voltage is above the normal range — the ECM thinks incoming air is impossibly hot. Usually a sensor or wiring issue, not a real heat problem.
Symptoms
- Check engine light
- Slightly rich or lean running
- Minor drop in fuel economy
- Mostly drivable with no obvious symptoms
Likely causes (most common first)
- Disconnected IAT sensor connector
- Broken sensor or internal open
- Damaged signal wire
- Corroded connector pins
Can I keep driving?
Low — mostly emissions/economy
Typical repair cost
DIY fixes can start near $15 (parts only). Shop repairs for P0113 typically run up to $80 depending on the underlying cause and vehicle. Start with the most common cause — Disconnected IAT sensor connector — before throwing parts at it.
Related codes
P0111P0112P0114
Confirm P0113 yourself in 60 seconds
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