P0113
IAT Sensor Circuit High Input
low
i Description
The Intake Air Temperature sensor is reporting an implausibly high voltage, indicating an extremely low temperature reading. This usually points to an open circuit in the IAT sensor or its wiring.
? Common Causes
- Open circuit in IAT sensor wiring
- Disconnected IAT sensor
- Faulty IAT sensor
- Corroded or spread connector pins
! Symptoms
- Check engine light
- Slightly rich fuel mixture
- Minor performance decrease
# Diagnostic Steps
- Check IAT sensor connector is firmly plugged in
- Test wiring continuity
- Measure sensor resistance
- Replace sensor if open-circuit
⚙ Typical Fix
Reconnect or replace the IAT sensor.
Parts Needed
IAT sensor
Estimated Cost
$30-$150
↔ Related Codes
Q Frequently Asked Questions
Yes, this is a minor issue. Fix when convenient to restore optimal fuel economy.
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