P0255 - DTC P0255 - Fuel Pump Metering Control Problem in 2005-2015 Ford Super Duty and More

Quick Answer

P0255 means: P0255 indicates a fuel pump metering control issue, often leading to poor engine performance.

Fix: Check and replace faulty components Cost: $300 - $800 Time: 90-180 minutes

Can I drive with P0255? Immediate attention is advised to prevent further damage.

Common Questions

What does P0255 mean and how does it affect my car?

The P0255 code indicates that there's a fuel pump metering control issue. This can cause poor engine performance, reduced fuel economy, and potentially lead to the vehicle stalling. It's essential to address this issue promptly to avoid further damage.

What are the most common causes of P0255 and how much does it cost to fix?

The most common cause is a faulty fuel pump, which can cost between $300 to $800 to replace. Other causes include wiring issues and problems with the fuel pressure regulator, which may also incur costs ranging from $100 to $300.

Can I drive my car with P0255 or should I stop immediately?

While it may be possible to drive for a short distance, it’s generally unsafe to continue driving with the P0255 code present. Doing so could lead to stalling and other serious engine issues. It's best to have the problem diagnosed and repaired as soon as possible.

How can I diagnose P0255 myself using GeekOBD APP?

You can use the GeekOBD APP to scan for error codes, retrieve freeze frame data, and monitor live data related to fuel pressure. This information can help you identify whether the fuel pump or related components are the source of the issue.

What vehicles are most commonly affected by P0255?

The P0255 code is often seen in 2005-2015 Ford Super Duty trucks with diesel engines, as well as some models from Chevrolet and Dodge. Always check for any recalls or technical service bulletins (TSBs) related to your specific vehicle.

How can I prevent P0255 from happening again?

Regular maintenance is key. Change the fuel filter as per the manufacturer's recommendations, ensure proper fuel quality, and periodically check wiring and connectors for wear or damage.

What is P0255?

The Diagnostic Trouble Code (DTC) P0255 indicates an issue with fuel pump metering control, specifically related to the fuel injection pump's performance in diesel engines. This code is particularly common in models like the 2005-2015 Ford Super Duty trucks equipped with a diesel engine. When the engine control module (ECM) detects that the fuel pump is not functioning correctly or there are irregularities in the fuel pressure, it triggers this code. This may result in poor engine performance, increased emissions, and can even lead to the vehicle stalling in severe cases. If you see the P0255 code, it’s crucial to address it promptly. Ignoring it could lead to more significant engine issues and costly repairs down the line. Drivers may notice symptoms such as a rough idle, difficulty starting the vehicle, or a noticeable drop in fuel efficiency. Addressing the P0255 code often involves inspecting various components, including the fuel pump, wiring, and the ECM itself, to ensure everything is functioning as it should.

System: P - Powertrain (Engine, Transmission, Emissions)

Symptoms

Common symptoms when P0255 is present:

Check engine light illuminates, indicating a problem with the fuel delivery system.
Engine hesitates or stutters during acceleration, making it difficult to maintain speed.
Fuel economy decreases significantly, often by 10-20%, leading to more frequent fill-ups.
Vehicle experiences hard starts or fails to start altogether, especially after periods of inactivity.
Unusual engine noises, such as whining or grinding, may occur due to fuel pump malfunctions.

Possible Causes

Most common causes of P0255 (ordered by frequency):

{'cause': 'Faulty fuel pump (60% likelihood)', 'description': 'The most common cause of the P0255 code is a malfunctioning fuel pump. Over time, fuel pumps can wear out, leading to inadequate fuel pressure and delivery problems.'}
{'cause': 'Wiring issues (20% likelihood)', 'description': 'Damaged wiring or poor electrical connections can disrupt the signal between the fuel pump and the ECM, causing the system to trigger the P0255 code.'}
{'cause': 'Defective fuel pressure regulator (10% likelihood)', 'description': 'If the fuel pressure regulator fails, it may not properly regulate the fuel pressure, leading to erratic performance and triggering the P0255 code.'}
{'cause': 'Clogged fuel filter (5% likelihood)', 'description': 'A clogged fuel filter can restrict fuel flow, leading to low pressure and performance issues, which may trigger the P0255 code.'}
{'cause': 'ECM failure (rare, 5% likelihood)', 'description': 'In rare cases, a malfunctioning ECM may incorrectly trigger the P0255 code despite other components being in good condition.'}

P0255 Repair Costs

Cost Breakdown by Repair Type

Fuel Pump Replacement

Replacing the faulty fuel pump with a new or rebuilt unit.

Total: $300 - $800
Success rate: 90%

Electrical Repair

Repairing damaged wiring or connectors affecting the fuel pump's operation.

Total: $100 - $300
Success rate: 85%

Money-Saving Tips for P0255

Start with the most common and least expensive repairs first
Use GeekOBD APP to confirm diagnosis before replacing expensive parts
Consider preventive maintenance to avoid future occurrences
Compare prices for OEM vs aftermarket parts based on your needs
Address the issue promptly to prevent more expensive secondary damage

Diagnostic Steps

Professional P0255 Diagnosis Process

Follow these systematic steps to accurately diagnose P0255. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Look for visible damage to wiring and connectors related to the fuel pump (5-10 minutes)

Step 1: Initial visual inspection - Look for visible damage to wiring and connectors related to the fuel pump (5-10 minutes).