AutoCodes – Ford – P0273 2008 Ford Fusion

P0273 2008 Ford Fusion Code - Cylinder 5 Injector Circuit Low

Quick Answer

Code P0273 is triggered when the Engine Control Module (ECM) detects a low voltage in the Fuel Injector 5 Circuit. Common causes include Dirty Fuel Injector 5, Faulty Fuel Injector 5, Plugged Fuel Injector 5. 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: P0273 2008 Ford Fusion indicates Cylinder 5 Injector Circuit Low.
Common causes: Common causes include Dirty Fuel Injector 5, Faulty Fuel Injector 5, Plugged Fuel Injector 5.
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 1,719

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 02, 2022

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0273 2008 Ford Fusion Description

Code P0273 is triggered when the Engine Control Module (ECM) detects a low voltage in the Fuel Injector 5 Circuit. During normal conditions, the ECM turns the Fuel Injectors ON and OFF in the Fuel Injection System.

OBDII Code P0273 2008 Ford Fusion - Cylinder 5 Injector Circuit Low - AutoCodes.com — P0273 2008 Ford Fusion Code - Cylinder 5 Injector Circuit Low

What does this mean?

What are the Possible Causes of the DTC P0273 2008 Ford Fusion?

Dirty Fuel Injector 5
Faulty Fuel Injector 5
Plugged Fuel Injector 5
Fuel injector 5 harness is open or shorted
Fuel injector 5 circuit poor electrical connection

How to Fix the DTC P0273 2008 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 does this mean?

Code Tech Notes

Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing the injector.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0273 2008 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 P0273 2008 Ford Fusion code?

Need more information on how to fix the P0273 2008 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 P0273 2008 Ford Fusion Code

1. What are the common symptoms of OBDII code P0273 on a 2008 Ford Fusion?

- Common symptoms include rough idling, misfires, loss of power, poor fuel efficiency, and in some cases, the Check Engine light may illuminate.

2. What does the OBDII code P0273 for a 2008 Ford Fusion indicate?

- The code P0273 specifically points to an issue with the Cylinder 5 Injector Circuit Low, meaning there is a problem with the fuel injector in cylinder 5.

3. What are the possible causes of OBDII code P0273 on a 2008 Ford Fusion?

- The main causes of this code could be a faulty fuel injector in cylinder 5, a wiring issue in the injector circuit, poor electrical connection, or a problem with the Engine Control Module (ECM).

4. How can I diagnose the Cylinder 5 Injector Circuit Low issue on my 2008 Ford Fusion?

- To diagnose this problem, you may need to perform a visual inspection of the injector and its wiring, test the injector for proper resistance, check for voltage at the injector connector, and scan the ECM for any related fault codes.

5. Can driving with OBDII code P0273 on a 2008 Ford Fusion cause further damage?

- Driving with this code can potentially cause damage to the engine over time, as it may result in poor fuel combustion, increased emissions, and other issues that can affect the overall performance of the vehicle.

6. Is it safe to continue driving my 2008 Ford Fusion with the Cylinder 5 Injector Circuit Low issue?

- It is not recommended to drive the vehicle with this issue, as it can lead to further engine damage and potential safety hazards. It is best to address the problem promptly.

7. How can I repair OBDII code P0273 on my 2008 Ford Fusion?

- Repairing this issue may involve replacing the fuel injector in cylinder 5, repairing or replacing any damaged wiring, ensuring proper electrical connections, and clearing the fault code from the ECM.

8. Can I fix the Cylinder 5 Injector Circuit Low problem on my 2008 Ford Fusion myself?

- While some DIY enthusiasts may be able to address this issue, it is recommended to have a professional mechanic diagnose and repair the problem to ensure it is fixed correctly and prevent further complications.

9. How much does it cost to repair OBDII code P0273 on a 2008 Ford Fusion?

- The cost of repairing this issue can vary depending on the root cause of the problem, the labor rates in your area, and whether genuine Ford parts are used. It is advisable to get a few quotes from local mechanics.

10. Will resetting the Check Engine light resolve the OBDII code P0273 on my 2008 Ford Fusion?

- Simply resetting the Check Engine light will not fix the underlying issue causing the code P0273. It is important to diagnose the problem, address the root cause, and then clear the fault code from the ECM.