Engine-CodesFord – P246C Ford

P246C Ford Code - Diesel Particulate Filter Restriction Forced Limited Power

Quick Answer

The P246C diagnostic trouble code (DTC) for Ford vehicles indicates that there is a restriction in the diesel particulate filter (DPF) system, leading to limited power output. Common causes include Lack of proper DPF regeneration, Faulty DPF pressure sensor, Clogged DPF filter. 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
P246C Ford indicates Diesel Particulate Filter Restriction Forced Limited Power.
Common causes
Common causes include Lack of proper DPF regeneration, Faulty DPF pressure sensor, Clogged DPF filter.
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.
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code P246C Ford Description

The P246C diagnostic trouble code (DTC) for Ford vehicles indicates that there is a restriction in the diesel particulate filter (DPF) system, leading to limited power output. The diesel particulate filter is designed to capture and remove harmful soot particles from the exhaust gases of a diesel engine. When a restriction occurs in the DPF, it can impede the flow of exhaust gases, leading to reduced engine performance and efficiency.

OBDII Code P246C Ford - Diesel Particulate Filter Restriction Forced Limited Power
P246C Ford Code - Diesel Particulate Filter Restriction Forced Limited Power

Common Causes of P246C Ford

  1. Lack of proper DPF regeneration
  2. Faulty DPF pressure sensor
  3. Clogged DPF filter
  4. Exhaust leaks near the DPF
  5. Engine tune-up issues

Symptoms of P246C Ford

  1. Reduced engine power
  2. Decreased fuel efficiency
  3. Engine misfires or hesitation
  4. Illuminated check engine light
  5. Increased exhaust smoke

How to Fix P246C Ford

  1. Perform a diagnostic scan to confirm the P246C code and identify any other related codes.
  2. Inspect the DPF system for physical damage, leaks, or excessive soot buildup.
  3. Check the DPF pressure sensor for proper operation and replace if necessary.
  4. Perform a forced regeneration of the DPF using a diagnostic tool.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P246C Ford

The repair costs for addressing a P246C DTC can range from $200 to $800, depending on the specific cause of the issue and any parts that may need to be replaced. This estimate includes labor costs, which can vary between $80 and $150 per hour at most auto repair shops. It's recommended to consult with a certified mechanic to get an accurate quote based on your vehicle's make and model.

Tech Notes for P246C Ford

To resolve this, you have to change the Diesel Particulate Filter and reset the code with an OBDII scanner.

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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 P246C Ford Code

1. What are the common symptoms of OBDII code P246C in a Ford vehicle?

- Common symptoms include reduced engine power, a noticeable decrease in acceleration, and an illuminated check engine light.

2. What does the OBDII code P246C signify in a Ford vehicle?

- OBDII code P246C indicates a Diesel Particulate Filter (DPF) restriction that forces the engine into limited power mode to prevent damage.

3. What are the potential causes of the P246C code in a Ford vehicle?

- Common causes of the P246C code include a clogged DPF, faulty pressure sensors, exhaust leaks, or issues with the diesel particulate filter system.

4. How can I diagnose the P246C code in my Ford vehicle?

- Diagnosis usually involves inspecting the DPF for blockages, checking the pressure sensors for proper functioning, and scanning the system for any related fault codes.

5. Can driving habits contribute to the occurrence of code P246C in a Ford vehicle?

- Yes, frequent short trips or low-speed driving can lead to the accumulation of soot in the DPF, eventually causing a restriction and triggering the P246C code.

6. Is it safe to continue driving with the P246C code present in a Ford vehicle?

- It is not recommended to continue driving with the P246C code active, as it can lead to further damage to the engine and exhaust system.

7. How can I repair the P246C code in my Ford vehicle?

- Repairing the P246C code often involves cleaning or replacing the diesel particulate filter, addressing any underlying issues causing the restriction, and resetting the engine control module.

8. Are there any preventive maintenance steps to avoid the P246C code in a Ford vehicle?

- Regularly driving at highway speeds to allow for proper DPF regeneration, using high-quality diesel fuel, and following the manufacturer's recommended maintenance schedule can help prevent the occurrence of the P246C code.

9. Can a DIY enthusiast address the P246C code issue in a Ford vehicle?

- While some basic diagnostic steps can be performed by a knowledgeable DIY enthusiast, addressing the underlying causes of the P246C code may require specialized tools and expertise best handled by a professional mechanic.

10. How much can I expect to pay for repairing the P246C code in a Ford vehicle?

- The cost of repairing the P246C code can vary depending on the specific issue causing the restriction, but it typically ranges from a few hundred to over a thousand dollars, including parts and labor.

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