Engine Error
P0111
Intake Air Temperature Sensor 1 Circuit Range/Performance
Severity
Low
Symptoms
Hard cold starts, slightly reduced fuel economy
Common Causes
- Dirty IAT sensor tip
- Defective IAT sensor
- Loose sensor connection
- Aftermarket cold air intake placement issue
How to Fix
- 1 Clean the IAT sensor carefully
- 2 Replace IAT sensor
- 3 Ensure connector is clipped securely
- 4 Relocate sensor to proper airflow path
Estimated Repair Cost
USD
$20
–
$150
IAT Sensor: $40 - $100; Labor: $50