AutoCodes – Ford – P2273 2009 Ford Fusion

P2273 2009 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 2009 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 2,382

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 2009 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 2009 Ford Fusion - Oxygen Sensor Signal Stuck Rich Bank 2 Sensor 2 - AutoCodes.com — P2273 2009 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 2009 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 2009 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 2009 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 2009 Ford Fusion code?

Need more information on how to fix the P2273 2009 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 2009 Ford Fusion Code

1. What are the common symptoms of OBDII code P2273 on a 2009 Ford Fusion?

- Common symptoms include decreased fuel efficiency, rough idling, engine misfires, and the illumination of the Check Engine light.

2. What does the OBDII code P2273 for a 2009 Ford Fusion indicate?

- The code P2273 indicates that there is an issue with the oxygen sensor signal being stuck rich on Bank 2 Sensor 2 of the vehicle.

3. What are the possible causes of OBDII code P2273 on a 2009 Ford Fusion?

- Possible causes include a faulty oxygen sensor, wiring issues, a vacuum leak, a malfunctioning fuel injector, or a problem with the engine's air-fuel ratio.

4. How can I diagnose the OBDII code P2273 on my 2009 Ford Fusion?

- Diagnosing the code may involve visually inspecting the oxygen sensor and its wiring, checking for vacuum leaks, testing the fuel injector, and using a scan tool to monitor sensor data.

5. Can driving with OBDII code P2273 on a 2009 Ford Fusion cause further damage?

- Driving with this code may lead to decreased fuel efficiency and engine performance, but it is unlikely to cause immediate severe damage to the vehicle.

6. How can I repair OBDII code P2273 on my 2009 Ford Fusion?

- Repairing the code may involve replacing the oxygen sensor, repairing any damaged wiring, fixing vacuum leaks, addressing fuel injector issues, or adjusting the air-fuel mixture as needed.

7. Is it safe to continue driving my 2009 Ford Fusion with code P2273 present?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to prevent potential long-term damage and ensure optimal performance.

8. How much does it typically cost to repair OBDII code P2273 on a 2009 Ford Fusion?

- The cost of repairing this code can vary depending on the specific cause of the issue, but it may range from around $100 to $500 or more, including parts and labor.

9. Can I reset the Check Engine light after repairing OBDII code P2273 on my 2009 Ford Fusion?

- Yes, the Check Engine light can typically be reset using an OBDII scanner or by disconnecting the vehicle's battery for a short period to clear the error code.

10. Will OBDII code P2273 on a 2009 Ford Fusion affect the vehicle's emissions or inspection?

- Yes, having this code present may cause the vehicle to fail emissions testing or inspection, so it is important to address the issue before undergoing such tests.