AutoCodes – Ford – P2273 2012 Ford Fusion

P2273 2012 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 2012 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 2,185

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 2012 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 2012 Ford Fusion - Oxygen Sensor Signal Stuck Rich Bank 2 Sensor 2 - AutoCodes.com — P2273 2012 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 2012 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 2012 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 2012 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 2012 Ford Fusion code?

Need more information on how to fix the P2273 2012 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 2012 Ford Fusion Code

1. What are the common symptoms of OBDII code P2273 in a 2012 Ford Fusion?

The common symptoms of code P2273 include decreased fuel efficiency, rough idling, and the illumination of the check engine light.

2. What does "Oxygen Sensor Signal Stuck Rich Bank 2 Sensor 2" mean in relation to OBDII code P2273 in a 2012 Ford Fusion?

It indicates that the oxygen sensor located after the catalytic converter on bank 2 (the side where cylinder 2 is located) is detecting a consistently rich air-fuel mixture.

3. What are the possible causes of OBDII code P2273 in a 2012 Ford Fusion?

Possible causes of P2273 include a faulty oxygen sensor, wiring issues, a vacuum leak, a rich fuel mixture, or a malfunctioning catalytic converter.

4. How can I diagnose the OBDII code P2273 in my 2012 Ford Fusion?

Diagnosing code P2273 involves inspecting the oxygen sensor on bank 2 sensor 2, checking for wiring faults, conducting a fuel pressure test, and scanning for any other related trouble codes.

5. How can I repair OBDII code P2273 in my 2012 Ford Fusion?

Repair options for P2273 may include replacing the oxygen sensor on bank 2 sensor 2, repairing any wiring issues, fixing vacuum leaks, addressing a rich fuel mixture, or replacing a faulty catalytic converter if necessary.

6. Can I continue driving my 2012 Ford Fusion with OBDII code P2273?

It is not recommended to continue driving your vehicle with code P2273 as it can lead to decreased fuel efficiency and potentially cause damage to the catalytic converter over time.

7. How much does it typically cost to repair OBDII code P2273 in a 2012 Ford Fusion?

The cost of repairing P2273 can vary depending on the exact cause of the issue. Costs may range from replacing a sensor or fixing wiring (a few hundred dollars) to replacing a catalytic converter (potentially over a thousand dollars).

8. Will resetting the check engine light clear OBDII code P2273 in a 2012 Ford Fusion?

Resetting the check engine light may temporarily clear the code, but if the underlying issue causing P2273 is not addressed, the code is likely to reappear after driving the vehicle for a certain distance or time.

9. How urgent is it to address OBDII code P2273 in a 2012 Ford Fusion?

While P2273 may not cause immediate drivability issues, it is important to address it promptly to prevent potential damage to the catalytic converter and ensure optimal engine performance and fuel efficiency.

10. Can I fix OBDII code P2273 in my 2012 Ford Fusion myself, or should I seek professional help?

Depending on your automotive repair skills and tools available, you may be able to address some causes of P2273 yourself, such as replacing an oxygen sensor. However, for more complex issues like diagnosing a rich fuel mixture or catalytic converter problems, it is recommended to seek professional help.