Engine Error
P0112
Intake Air Temperature Sensor 1 Circuit Low
Severity
Medium
Symptoms
Hard starting when cold, poor gas mileage, rich exhaust
Common Causes
- Short to ground in IAT sensor wiring
- Faulty IAT sensor
- Corroded sensor connector
- Failed PCM
How to Fix
- 1 Inspect wiring for shorts
- 2 Replace IAT sensor
- 3 Clean wiring harness connector
- 4 Test sensor with multimeter
Estimated Repair Cost
USD
$50
–
$200
IAT Sensor replacement: $80 - $200