AutoCodes – Ford – P0278 Ford

P0278 Ford Code - Cylinder 6 Injector Contribution/Balance Fault

Quick Answer

Code P0278 is triggered when the Engine Control Module (ECM) detects that the acceleration rate of the crankshaft for Cylinder 6 was less than a calibrated amount. 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: P0278 Ford indicates Cylinder 6 Injector Contribution/Balance Fault.
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 24,503

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 P0278 Ford Description

Code P0278 is triggered when the Engine Control Module (ECM) detects that the acceleration rate of the crankshaft for Cylinder 6 was less than a calibrated amount. During normal conditions, the ECM turns the Fuel Injectors ON and OFF in the Fuel Injection System.

OBDII Code P0278 Ford - Cylinder 6 Injector Contribution/Balance Fault - AutoCodes.com — P0278 Ford Code - Cylinder 6 Injector Contribution/Balance Fault

What does this mean?

What are the Possible Causes of the DTC P0278 Ford?

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 P0278 Ford?

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 P0278 Ford 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.

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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 P0278 Ford Code

1. What are the common symptoms of OBDII code P0278 in a Ford vehicle?

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

2. What can cause the Cylinder 6 Injector Contribution/Balance Fault (P0278) in a Ford?

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

3. How can I diagnose the Cylinder 6 Injector Contribution/Balance Fault in my Ford?

- You can diagnose the issue by performing a visual inspection of the injector, checking for wiring faults, conducting a fuel injector balance test, and using a scan tool to monitor injector performance.

4. Can I drive my Ford with OBDII code P0278?

- It is not recommended to drive your vehicle with this code as it can lead to further engine damage and potential safety hazards.

5. How do I repair OBDII code P0278 in my Ford?

- Repair options may include replacing the faulty fuel injector, cleaning a clogged injector, repairing wiring issues, or reprogramming the ECM.

6. Are there any tips to prevent the Cylinder 6 Injector Contribution/Balance Fault in a Ford?

- Regular maintenance, using high-quality fuel, and addressing any engine performance issues promptly can help prevent this code from occurring.

7. Can a DIY enthusiast fix the Cylinder 6 Injector Contribution/Balance Fault in a Ford?

- While some DIY enthusiasts may have the skills to address this issue, it is recommended to consult a professional mechanic for proper diagnosis and repair.

8. How much does it cost to fix OBDII code P0278 in a Ford?

- Repair costs can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

9. Will resetting the OBDII code P0278 in my Ford make it go away?

- Simply resetting the code will not fix the underlying issue causing P0278. It is important to diagnose and repair the problem to prevent the code from reoccurring.

10. Is it safe to ignore the Cylinder 6 Injector Contribution/Balance Fault in my Ford?

- Ignoring this code can lead to engine performance issues, decreased fuel efficiency, and potential damage over time. It is best to address the problem promptly.