Secondary Air Injection System High Air Flow Bank 2
Table of contents
P2449 LINCOLN Possible Causes
- Leak in the Secondary Air System
- Air Flow Sensor
- Air Flow Sensor harness is open or shorted
- Air Flow Sensor circuit poor electrical connection
How do I fix code P2449 LINCOLN?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P2449 LINCOLN code
The cost of diagnosing the P2449 LINCOLN code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P2449 LINCOLN Description
For 20 seconds following a vehicle cold start, the air injection system delivers a controlled amount of outside air into the exhaust system, upstream of the catalytic converter, in order to help reduce hydrocarbon and carbon monoxide gas emissions. The P2449 code is set when the actual airflow is greater than model airflow.