AutoCodes – Ford – P2448 2010 Ford Fusion

P2448 2010 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 2010 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 2,042

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 2010 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 2010 Ford Fusion - Secondary Air Injection System High Air Flow Bank 1 - AutoCodes.com — P2448 2010 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 2010 Ford Fusion?

AIR outlet hose leak.
AIR outlet hose is disconnected.

How to Fix the DTC P2448 2010 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 2010 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 2010 Ford Fusion code?

Need more information on how to fix the P2448 2010 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 2010 Ford Fusion Code

1. What does the OBDII code P2448 indicate on a 2010 Ford Fusion?

The P2448 code indicates that the secondary air injection system is detecting higher than expected air flow in Bank 1.

2. What are common symptoms of code P2448 in a 2010 Ford Fusion?

Symptoms may include a check engine light, unusual noises from the air injection system, and possibly a rough idle.

3. What could cause the P2448 code to appear on a 2010 Ford Fusion?

Possible causes include a faulty air injection pump, leaks or blockages in the air injection hoses, or a malfunctioning one-way check valve.

4. How can I diagnose the P2448 code in my 2010 Ford Fusion?

Start by inspecting the air injection system components for any signs of damage or leaks. Check the air pump operation and verify the functionality of the one-way check valve and related sensors.

5. What repairs can fix the P2448 code in a 2010 Ford Fusion?

Repairs might include replacing the air injection pump, repairing any leaks in the air injection hoses, or replacing the one-way check valve.

6. Is it safe to drive my 2010 Ford Fusion with the P2448 code?

While it may be safe to drive for a short period, ignoring this issue can lead to further damage to the emission system, so it is advisable to address the problem as soon as possible.

7. How urgent is it to fix a P2448 code on a 2010 Ford Fusion?

It is moderately urgent to fix this code as it relates to the vehicle's emissions control system, which helps protect the environment and ensures the vehicle runs efficiently.

8. Will the P2448 code cause my 2010 Ford Fusion to fail an emissions test?

Yes, since the P2448 code indicates a problem with the air injection system, which is part of the emissions system, it can cause your vehicle to fail an emissions test.

9. What tools are needed to diagnose the P2448 code on a 2010 Ford Fusion?

Diagnosis typically requires an OBDII scanner, a digital multimeter, and a vacuum gauge to test component functionality and system integrity.

10. Can a faulty secondary air injection system affect the performance of my 2010 Ford Fusion?

Yes, a malfunctioning secondary air injection system can lead to reduced engine performance, increased emissions, and potentially cause the engine to run rough or stall.