P0112Medium Priority
Intake Air Temperature Circuit Low Input
Category: Powertrain• Fuel and Air Metering
4 articles · 2 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 38,643 real owner discussions • 881 confirmed solutions
$1,051
Average Repair Cost
2%
Success Rate
27%
DIY Repairs
38,643
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.