P0112Medium Priority

Intake Air Temperature Circuit Low Input

Category: PowertrainFuel and Air Metering

5 articles · 3 makes affected

What is P0112?

Intake Air Temperature (IAT) Sensor Circuit Low Input. The IAT sensor is reporting abnormally low temperatures, indicating a short circuit or failed sensor.

Symptoms You May Notice

  • Check engine light
  • Poor fuel economy
  • Hard starting
  • Black smoke from exhaust

How to Fix It

  • Replace IAT sensor ($50-$150, beginner)
  • Repair short circuit in wiring ($100-$300, intermediate)

Owner Statistics

Based on 64,563 real owner discussions • 1490 confirmed solutions

Dataset (64,563 records)
$781
Average Repair Cost
2%
Success Rate
30%
DIY Repairs
64,563
Data Sources

About This Data

Statistics are aggregated from real owner discussions on Reddit, automotive forums, and YouTube comments. All data is anonymized and represents actual repair experiences reported by vehicle owners.