P0113: IAT Sensor High Input — What It Means
Key Takeaway
P0113 = IAT sensor reading too high. Usually a wiring or sensor issue.
What P0113 Means
The Intake Air Temperature (IAT) sensor measures the temperature of air entering the engine. P0113 means the sensor reading is above the expected maximum.
Common Causes
| Cause | Fix | Cost |
|---|---|---|
| Open circuit in IAT wiring | Repair wires | $50 – $150 |
| Disconnected IAT connector | Reconnect | $0 |
| Failed IAT sensor | Replace | $20 – $50 |
| Corrosion on connector pins | Clean pins | $0 |
| IAT integrated into MAF (failed MAF) | Replace MAF | $100 – $400 |
Note
Many modern vehicles integrate the IAT sensor into the MAF sensor housing. If P0113 appears with P0101/P0102, the MAF unit may need replacement.
ProHow Steer Helps
Steer reads P0113 and identifies whether it's a standalone IAT issue or part of a broader MAF failure.
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