AutoCodes – Ford – P2448 2009 Ford Fusion

P2448 2009 Ford Fusion Code - Secondary Air Injection System High Air Flow Bank 1

Quick Answer

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. Common causes include AIR outlet hose leak, AIR outlet hose is disconnected. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P2448 2009 Ford Fusion indicates Secondary Air Injection System High Air Flow Bank 1.
Common causes: Common causes include AIR outlet hose leak, AIR outlet hose is disconnected.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 2,976

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2448 2009 Ford Fusion 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 P2448 code is set when the AIR system detects excessive mass air flow change with the pump on and a rich exhaust system air fuel ratio.

OBDII Code P2448 2009 Ford Fusion - Secondary Air Injection System High Air Flow Bank 1 - AutoCodes.com — P2448 2009 Ford Fusion Code - Secondary Air Injection System High Air Flow Bank 1

What does this mean?

What are the Possible Causes of the DTC P2448 2009 Ford Fusion?

AIR outlet hose leak.
AIR outlet hose is disconnected.

How to Fix the DTC P2448 2009 Ford Fusion?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2448 2009 Ford Fusion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P2448 2009 Ford Fusion code?

Need more information on how to fix the P2448 2009 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2448 2009 Ford Fusion code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2448 2009 Ford Fusion Code

1. What are the common symptoms of OBDII code P2448 in a 2009 Ford Fusion?

- Common symptoms include the Check Engine light illuminating, reduced engine performance, and potential rough idling.

2. What does the OBDII code P2448 indicate in a 2009 Ford Fusion?

- OBDII code P2448 refers to a problem with the Secondary Air Injection System High Air Flow Bank 1 in the vehicle.

3. What are some possible causes of OBDII code P2448 in a 2009 Ford Fusion?

- Potential causes include a faulty secondary air injection pump, damaged or leaking hoses, or issues with the air injection system's valves.

4. How can I diagnose the OBDII code P2448 in my 2009 Ford Fusion?

- Diagnosing this code may involve visually inspecting the secondary air injection system components, checking for leaks, and testing the functionality of the pump and valves.

5. Can I continue driving my 2009 Ford Fusion with OBDII code P2448?

- It is not recommended to continue driving with this code illuminated, as it can lead to further damage to the emission control system and potentially affect the vehicle's performance.

6. How can I repair OBDII code P2448 in my 2009 Ford Fusion?

- Repair methods may include replacing a faulty secondary air injection pump, repairing or replacing damaged hoses, or addressing any issues with the system's valves.

7. Is it possible to reset the OBDII code P2448 in a 2009 Ford Fusion without fixing the underlying issue?

- While you can clear the code with an OBDII scanner, it is crucial to address the root cause to prevent the code from reoccurring and ensure proper vehicle operation.

8. Are there any DIY tips for fixing OBDII code P2448 in a 2009 Ford Fusion?

- DIY tips may include visually inspecting hoses for damage, ensuring proper connections, and checking the pump and valve operation before seeking professional assistance if needed.

9. How much does it typically cost to repair OBDII code P2448 in a 2009 Ford Fusion?

- Repair costs can vary depending on the exact cause of the issue, but expenses may include parts like a new pump or hoses and labor for the repair work.

10. Can a mechanic help me with diagnosing and repairing OBDII code P2448 in my 2009 Ford Fusion?

- Yes, a qualified mechanic can assist in diagnosing the problem accurately, recommending the necessary repairs, and ensuring the secondary air injection system functions properly.