AutoCodes – Ford – P2273 2010 Ford Fusion

P2273 2010 Ford Fusion Code - Oxygen Sensor Signal Stuck Rich Bank 2 Sensor 2

Quick Answer

The downstream heated oxygen sensor (HO2S) is forced rich and lean and monitored by the Powertrain Control Module (PCM). Common causes include Faulty O2 Sensor Bank 2 Sensor 2, Exhaust leaks, O2 Sensor Bank 2 Sensor 2 harness is open or shorted. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P2273 2010 Ford Fusion indicates Oxygen Sensor Signal Stuck Rich Bank 2 Sensor 2.
Common causes: Common causes include Faulty O2 Sensor Bank 2 Sensor 2, Exhaust leaks, O2 Sensor Bank 2 Sensor 2 harness is open or shorted.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 3,144

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 12, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2273 2010 Ford Fusion Description

The downstream heated oxygen sensor (HO2S) is forced rich and lean and monitored by the Powertrain Control Module (PCM). The test fails if the PCM does not detect the output of the HO2S in a calibrated amount of time.

OBDII Code P2273 2010 Ford Fusion - Oxygen Sensor Signal Stuck Rich Bank 2 Sensor 2 - AutoCodes.com — P2273 2010 Ford Fusion Code - Oxygen Sensor Signal Stuck Rich Bank 2 Sensor 2

What does this mean?

What are the Possible Causes of the DTC P2273 2010 Ford Fusion?

Faulty O2 Sensor Bank 2 Sensor 2
Exhaust leaks
O2 Sensor Bank 2 Sensor 2 harness is open or shorted
O2 Sensor Bank 2 Sensor 2 circuit poor electrical connection

How to Fix the DTC P2273 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 P2273 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 P2273 2010 Ford Fusion code?

Need more information on how to fix the P2273 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 P2273 2010 Ford Fusion Code

1. What does the OBDII code P2273 mean for a 2010 Ford Fusion?

The code P2273 indicates an issue with the Oxygen Sensor Signal Stuck Rich on Bank 2 Sensor 2 in a 2010 Ford Fusion.

2. What are the common symptoms of OBDII code P2273 in a 2010 Ford Fusion?

Common symptoms of P2273 may include decreased fuel efficiency, rough idling, engine misfires, and the illumination of the check engine light.

3. What can cause the Oxygen Sensor Signal to be stuck rich on Bank 2 Sensor 2 in a 2010 Ford Fusion?

Potential causes of the Oxygen Sensor Signal stuck rich on Bank 2 Sensor 2 include a faulty oxygen sensor, a vacuum leak, a fuel injector issue, or a problem with the engine's air-fuel mixture.

4. How do I diagnose the Oxygen Sensor Signal Stuck Rich Bank 2 Sensor 2 issue in my 2010 Ford Fusion?

Diagnosing P2273 involves using an OBDII scanner to read the code, checking the oxygen sensor's wiring and connections, inspecting for vacuum leaks, and testing the fuel injectors.

5. Can I continue driving my 2010 Ford Fusion with the P2273 trouble code?

It is not recommended to drive your vehicle with an unresolved P2273 code, as it can lead to further damage to the engine and emissions system.

6. How can I repair the Oxygen Sensor Signal Stuck Rich Bank 2 Sensor 2 on my 2010 Ford Fusion?

Repairing P2273 may involve replacing the oxygen sensor on Bank 2 Sensor 2, fixing any vacuum leaks, cleaning or replacing fuel injectors, or addressing issues with the air-fuel ratio.

7. Will resetting the OBDII code P2273 on my 2010 Ford Fusion make the issue go away?

Simply resetting the code without addressing the underlying problem will not fix the issue. It's essential to diagnose and repair the root cause of the P2273 code.

8. What are the consequences of ignoring the OBDII code P2273 in a 2010 Ford Fusion?

Ignoring the P2273 code can lead to reduced fuel efficiency, engine performance issues, increased emissions, and potential damage to the catalytic converter.

9. How long does it typically take to repair the Oxygen Sensor Signal Stuck Rich Bank 2 Sensor 2 on a 2010 Ford Fusion?

The repair time for P2273 can vary depending on the exact cause of the issue. It may take anywhere from a few hours to a full day to diagnose and fix the problem.

10. Can a DIY enthusiast with basic automotive knowledge fix the P2273 code on a 2010 Ford Fusion?

While some aspects of diagnosing and repairing P2273 may be within reach of a DIY enthusiast, it is recommended to consult a professional mechanic for accurate diagnosis and proper repair to ensure the issue is fully resolved.