P0113
Low SeverityIntake Air Temperature Sensor Circuit High
Fuel System
What Does P0113 Mean?
IAT sensor voltage is above maximum range, reading as extremely cold air. Usually an open circuit.
Common Fix
Replace IAT sensor or repair wiring
Estimated Cost (DIY)
$10 - $30
Symptoms
- ⚠️Check engine light
- ⚠️Slightly lean running
- ⚠️Poor cold-start performance
Common Causes
Open circuit in IAT wiringlikely
Failed IAT sensor (open)likely
Disconnected connectorpossible
How to Diagnose P0113
- 1Check IAT connector is plugged in
- 2Measure sensor resistance
- 3Check continuity of wiring
- 4Replace sensor if open-circuit
Need to read or clear this code?
Shop OBD2 Scanners on Amazon →Frequently Asked Questions
- Is P0113 serious?
- Not very. The ECM uses a default temperature. You may notice poor cold-start or slightly off fuel economy.
- Can a disconnected sensor cause P0113?
- Yes — P0113 often means the sensor connector simply came unplugged. Check it first.