AutoCodes – Ford – P2448 2011 Ford Fusion

P2448 2011 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 2011 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 2,015

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 2011 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 2011 Ford Fusion - Secondary Air Injection System High Air Flow Bank 1 - AutoCodes.com — P2448 2011 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 2011 Ford Fusion?

AIR outlet hose leak.
AIR outlet hose is disconnected.

How to Fix the DTC P2448 2011 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 2011 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 2011 Ford Fusion code?

Need more information on how to fix the P2448 2011 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2448 2011 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 2011 Ford Fusion Code

1. What are common symptoms of OBDII code P2448 in a 2011 Ford Fusion?

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

2. What does the OBDII code P2448 "Secondary Air Injection System High Air Flow Bank 1" mean in a 2011 Ford Fusion?

- This code indicates that there is excessive airflow detected in the secondary air injection system on bank 1 of the engine.

3. What are possible causes of OBDII code P2448 in a 2011 Ford Fusion?

- Possible causes include a faulty secondary air injection pump, a stuck open secondary air injection valve, or a leak in the system.

4. How serious is OBDII code P2448 in a 2011 Ford Fusion?

- While the code itself may not cause immediate harm to the vehicle, it can lead to increased emissions and potentially affect the overall performance of the engine if left unresolved.

5. Can I continue driving my 2011 Ford Fusion with OBDII code P2448?

- It is not recommended to continue driving with this code present, as it can lead to increased emissions and potential engine performance issues.

6. How can I diagnose OBDII code P2448 in my 2011 Ford Fusion?

- Diagnosing this code typically involves checking the secondary air injection system components for proper operation, leaks, and electrical connections.

7. How can I repair OBDII code P2448 in my 2011 Ford Fusion?

- Repair may involve replacing a faulty secondary air injection pump, repairing or replacing a stuck open secondary air injection valve, or fixing any leaks in the system.

8. Will resetting the Check Engine Light resolve OBDII code P2448 in a 2011 Ford Fusion?

- Simply resetting the Check Engine Light may temporarily turn it off, but the underlying issue causing the code will still need to be diagnosed and repaired to prevent it from reoccurring.

9. Can a DIY enthusiast fix OBDII code P2448 in a 2011 Ford Fusion?

- Depending on the cause of the code, some DIY enthusiasts with automotive repair experience may be able to address the issue, but complex repairs might require professional assistance.

10. How much does it cost to repair OBDII code P2448 in a 2011 Ford Fusion?

- The cost of repairing this code can vary based on the specific cause, parts needed, and labor rates, so it is recommended to obtain a diagnosis and repair estimate from a qualified mechanic.