AutoCodes – Ford – P0277 2009 Ford Fusion

P0277 2009 Ford Fusion Code - Cylinder 6 Injector Circuit High

Quick Answer

Code P0277 is triggered when the Engine Control Module (ECM) detects a high voltage in the Fuel Injector 6 Circuit. Common causes include Dirty Fuel Injector 6, Faulty Fuel Injector 6, Plugged Fuel Injector 6. 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: P0277 2009 Ford Fusion indicates Cylinder 6 Injector Circuit High.
Common causes: Common causes include Dirty Fuel Injector 6, Faulty Fuel Injector 6, Plugged Fuel Injector 6.
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 1,861

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 P0277 2009 Ford Fusion Description

Code P0277 is triggered when the Engine Control Module (ECM) detects a high voltage in the Fuel Injector 6 Circuit. During normal conditions, the ECM turns the Fuel Injectors ON and OFF in the Fuel Injection System.

OBDII Code P0277 2009 Ford Fusion - Cylinder 6 Injector Circuit High - AutoCodes.com — P0277 2009 Ford Fusion Code - Cylinder 6 Injector Circuit High

What does this mean?

What are the Possible Causes of the DTC P0277 2009 Ford Fusion?

Dirty Fuel Injector 6
Faulty Fuel Injector 6
Plugged Fuel Injector 6
Fuel injector 6 harness is open or shorted
Fuel injector 6 circuit poor electrical connection

How to Fix the DTC P0277 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 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 P0277 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 P0277 2009 Ford Fusion code?

Need more information on how to fix the P0277 2009 Ford Fusion code? Get Access to Factory Service Manuals

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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 P0277 2009 Ford Fusion Code

1. What are common symptoms of OBDII code P0277 on a 2009 Ford Fusion?

- Common symptoms include rough idling, engine misfires, loss of power, and increased fuel consumption.

2. What does the OBDII code P0277 indicate on a 2009 Ford Fusion?

- The code indicates an issue with the Cylinder 6 Injector Circuit, specifically detecting a high voltage condition.

3. What are possible causes of the Cylinder 6 Injector Circuit High code on a 2009 Ford Fusion?

- Possible causes include a faulty fuel injector, wiring or connector issues, a malfunctioning Engine Control Module (ECM), or a clogged fuel injector.

4. How can I diagnose the cause of OBDII code P0277 on my 2009 Ford Fusion?

- Diagnosis typically involves inspecting the fuel injector, checking for wiring or connector problems, and performing tests using a diagnostic scanner to pinpoint the issue.

5. Can a dirty fuel injector cause the Cylinder 6 Injector Circuit High code on a 2009 Ford Fusion?

- Yes, a dirty or clogged fuel injector can disrupt the injector circuit's voltage, triggering the P0277 code.

6. What are the repair options for fixing OBDII code P0277 on a 2009 Ford Fusion?

- Repair options may include cleaning or replacing the fuel injector, repairing any damaged wiring or connectors, or reprogramming the ECM as needed.

7. Is it safe to continue driving with OBDII code P0277 present on a 2009 Ford Fusion?

- It is not recommended to continue driving with this code present, as it can lead to further engine damage and decreased performance.

8. Can OBDII code P0277 on a 2009 Ford Fusion be reset without fixing the underlying issue?

- While the code can be cleared temporarily, it is crucial to address the root cause to prevent the issue from recurring and potentially causing more significant problems.

9. How much does it typically cost to repair OBDII code P0277 on a 2009 Ford Fusion?

- The cost of repair can vary depending on the specific cause, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. Are there any preventative maintenance steps to avoid OBDII code P0277 on a 2009 Ford Fusion in the future?

- Regularly servicing the fuel system, using high-quality fuel, and addressing any engine performance issues promptly can help prevent the recurrence of this code.