AutoCodes – Ford – P2273 2011 Ford Fusion

P2273 2011 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 2011 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 2,591

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 2011 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 2011 Ford Fusion - Oxygen Sensor Signal Stuck Rich Bank 2 Sensor 2 - AutoCodes.com — P2273 2011 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 2011 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 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 P2273 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 P2273 2011 Ford Fusion code?

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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 2011 Ford Fusion Code

1. What does the OBDII code P2273 for a 2011 Ford Fusion mean?

The P2273 code indicates that the Oxygen Sensor Signal is Stuck Rich on Bank 2 Sensor 2, specifically related to the downstream oxygen sensor on the second bank of the engine.

2. What are the common symptoms of a P2273 code in a 2011 Ford Fusion?

Common symptoms include decreased fuel efficiency, rough idling, engine hesitation, and potentially a noticeable fuel smell from the exhaust.

3. What are the possible causes of the P2273 code in a 2011 Ford Fusion?

Potential causes include a faulty oxygen sensor, wiring issues, exhaust leaks, vacuum leaks, a malfunctioning fuel injector, or an issue with the engine's air-fuel ratio.

4. How can I diagnose a P2273 code in my 2011 Ford Fusion?

Diagnosis typically involves using an OBDII scanner to read the code, inspecting the oxygen sensor and related wiring, checking for exhaust leaks, and testing the fuel injector operation.

5. Can I still drive my 2011 Ford Fusion with a P2273 code?

While it may be possible to drive with a P2273 code, it is not recommended as it can lead to further engine damage and decreased fuel efficiency. It is best to address the issue promptly.

6. How do I repair a P2273 code in my 2011 Ford Fusion?

Repair may involve replacing the oxygen sensor, repairing or replacing damaged wiring, fixing exhaust leaks, addressing vacuum leaks, or resolving issues with the fuel injector or air-fuel ratio.

7. Will resetting the trouble codes make the P2273 code disappear permanently?

Resetting the trouble codes may temporarily clear the P2273 code, but if the underlying issue is not addressed, the code is likely to reappear after driving the vehicle for a certain period.

8. Can a DIY enthusiast fix a P2273 code on a 2011 Ford Fusion?

Depending on your experience and tools available, it may be possible to address the P2273 code yourself by replacing the oxygen sensor or fixing minor wiring issues. However, more complex diagnostics and repairs may require professional assistance.

9. How long can I safely ignore a P2273 code in my 2011 Ford Fusion?

Ignoring a P2273 code can lead to decreased fuel efficiency, engine performance issues, and potential damage to the catalytic converter. It is advisable to address the code as soon as possible.

10. Is it necessary to drive my 2011 Ford Fusion to a mechanic immediately after receiving a P2273 code?

While immediate action may not be required, it is recommended to have the P2273 code diagnosed and repaired in a timely manner to prevent further complications and ensure optimal vehicle performance.