AutoCodes – Ford – P2448 2007 Ford Fusion

P2448 2007 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 2007 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 3,746

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 2007 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 2007 Ford Fusion - Secondary Air Injection System High Air Flow Bank 1 - AutoCodes.com — P2448 2007 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 2007 Ford Fusion?

AIR outlet hose leak.
AIR outlet hose is disconnected.

How to Fix the DTC P2448 2007 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 2007 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 2007 Ford Fusion code?

Need more information on how to fix the P2448 2007 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2448 2007 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 2007 Ford Fusion Code

1. What are common symptoms of OBDII code P2448 in a 2007 Ford Fusion?

The common symptoms of code P2448 include the illumination of the check engine light, rough idling, decreased engine performance, and potential exhaust system issues.

2. What does the OBDII code P2448 on a 2007 Ford Fusion indicate?

Code P2448 indicates a problem with the Secondary Air Injection System, specifically high airflow detected in Bank 1 of the system.

3. What are the possible causes of OBDII code P2448 in a 2007 Ford Fusion?

Possible causes of code P2448 can include a faulty air pump, damaged air pump relay, clogged air injection system components, or electrical issues within the system.

4. How can I diagnose the cause of OBDII code P2448 in my 2007 Ford Fusion?

Diagnosing code P2448 may involve checking the air pump operation, inspecting air injection system components for blockages, testing the air pump relay, and verifying electrical connections in the system.

5. Can I continue driving my 2007 Ford Fusion with OBDII code P2448?

It is not recommended to drive your vehicle with code P2448 unresolved, as it can lead to further damage to the engine or emissions system. Prompt attention to the issue is advised.

6. How can I repair OBDII code P2448 in my 2007 Ford Fusion?

Repairing code P2448 may involve replacing a faulty air pump, clearing any blockages in the air injection system, checking and replacing the air pump relay if necessary, and ensuring all electrical connections are secure.

7. Is it possible to reset the OBDII code P2448 in a 2007 Ford Fusion without fixing the underlying issue?

While you can reset the code temporarily, the check engine light is likely to reappear if the root cause of P2448 is not addressed. Resetting without repair is not a recommended long-term solution.

8. Can weather conditions affect the occurrence of OBDII code P2448 in a 2007 Ford Fusion?

Extreme weather conditions, such as very cold temperatures, can impact the functioning of the Secondary Air Injection System and potentially trigger code P2448 due to changes in air density and system operation.

9. How much does it typically cost to repair OBDII code P2448 in a 2007 Ford Fusion?

The cost of repairing code P2448 can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. Are there any preventive measures to avoid OBDII code P2448 in a 2007 Ford Fusion?

Regular maintenance of the air injection system, prompt attention to any check engine light warnings, and addressing any related issues early can help prevent the occurrence of code P2448 in your 2007 Ford Fusion.