6.7L Powerstroke v8 Diesel MPG and Problems

The Ford 6.7 Powerstroke engine gets 16 mpg on average. It can increase to up to 21 mpg on the highway.

Owners report that it gets 9 mpg while towing heavy load, and 20 mpg with no load.

If you have less cargo, drive slower and steady, and have tailwind you will get higher fuel mileage.

The 6.7L from Ford aka scorpion has been around since 2011.
It is used in the f-350 and f450 truck and also Ford F-250, Ford F-550, Ford F-650, Ford F-750.

The 3rd generation started in 2020.

500k engines were sold in 2011-2014, was gen 1.

Gen 2 was 2015-2019


Problems include:

  • Fuel pump failing
  • Turbo charger bearings failing
  • EGT sensor fail
  • EGR cooler issues
  • Nitrogen oxide sensor
  • Injection Pump Failure
  • Engine 2011 had weak glow plugs
  • Radiator Coolant Leaks

Here is a video of things that are wrong:



Engine Specs:

13 quarts of oil

660 @ 1600 rpm to 1050 at 1800

HP 270 to 475


B20 Biodiesel Compatible & Ultra Low Sulfur Diesel

Weight is 1100 lbs wet

6,700 cc (406 cu in)
Aluminum Cylinder head
Compacted graphite iron Cylinder block
Compression Ratio 16.2:1
steel crankshaft
powdered-metal cracked-cap connecting rods
4 valves per cylinder
oil change due every 7.5k miles/1 year


2022 version:

475 HP, 1050 lb-ft

compare to gas at 385 HP, and 430 lb-ft

Can last 500k miles or more.

Overall the 6.7 is very reliable and much better than 6.0 and 6.4. The 6.7 gets 18% better mpg than the 6.4.



Q: What is a Powerstroke V8 Diesel engine?

A: The Powerstroke V8 Diesel engine is a type of engine produced by Ford Motor Company for their line of heavy-duty trucks. It is specifically designed for towing, hauling, and demanding work applications. The Powerstroke V8 Diesel is known for its robust power, torque, and durability, making it a popular choice among truck enthusiasts and those in need of a reliable workhorse.

Q: What are the advantages of a Powerstroke V8 Diesel engine?

A: The Powerstroke V8 Diesel engine offers several advantages, including:

  1. Power and Torque: The V8 configuration and diesel fuel give the engine exceptional power and torque, making it ideal for heavy-duty applications like towing and hauling.
  2. Durability and Longevity: Powerstroke engines are built to withstand demanding work conditions and have a reputation for their longevity. With proper maintenance, they can provide many years of reliable service.
  3. Fuel Efficiency: Diesel engines generally offer better fuel efficiency compared to their gasoline counterparts, allowing for longer driving ranges and potential cost savings on fuel expenses.
  4. Towing Capability: The Powerstroke V8 Diesel engine’s power and torque enable it to handle heavy loads and tow large trailers with ease. It is well-regarded for its towing capacity.

Q: Are there any downsides to a Powerstroke V8 Diesel engine?

A: While the Powerstroke V8 Diesel engine offers numerous advantages, there are a few considerations to keep in mind:

  1. Initial Cost: Diesel engines and the associated technology can be more expensive upfront compared to gasoline engines. However, the long-term savings in fuel efficiency and durability can offset this initial investment.
  2. Maintenance Costs: Diesel engines may require specialized maintenance, such as regular fuel filter changes and periodic servicing of the emissions system. These additional maintenance requirements can result in slightly higher costs compared to gasoline engines.
  3. Availability of Fuel Stations: Diesel fuel is not as widely available as gasoline, so it’s important to plan your routes and ensure access to fuel stations that offer diesel.

Q: What are some common uses for vehicles with Powerstroke V8 Diesel engines?

A: Vehicles equipped with Powerstroke V8 Diesel engines are commonly used for tasks that require substantial power and towing capabilities. They are often found in heavy-duty pickup trucks, commercial vehicles, and work trucks used in construction, towing, and other industries. They are also popular among individuals who frequently tow trailers, boats, or recreational vehicles.

Q: Can I use biodiesel fuel with a Powerstroke V8 Diesel engine?

A: Yes, Powerstroke V8 Diesel engines are compatible with biodiesel fuel blends. Biodiesel is a renewable fuel source made from vegetable oils or animal fats. It’s important to follow the manufacturer’s guidelines regarding the appropriate blend and quality of biodiesel to ensure proper engine performance and reliability.

Q: What is the towing capacity of a vehicle equipped with a Powerstroke V8 Diesel engine?

A: The towing capacity can vary depending on the specific vehicle model, configuration, and any additional towing packages or upgrades. It’s best to consult the vehicle’s owner’s manual or contact the manufacturer for the most accurate and up-to-date information regarding towing capacity.

Please note that specific details about the Powerstroke V8 Diesel engine, including performance specifications and towing capacity, may vary depending on the model year and specific vehicle configurations. It’s always recommended to consult the manufacturer’s information for the most accurate and detailed specifications.

Q: Can I use a Powerstroke V8 Diesel engine for everyday driving and commuting?

A: While the Powerstroke V8 Diesel engine is primarily designed for heavy-duty applications, it can be used for everyday driving and commuting. However, there are a few factors to consider:

  1. Fuel Efficiency: Diesel engines typically have better fuel efficiency than gasoline engines, especially at highway speeds. If you do a lot of long-distance highway driving, a Powerstroke V8 Diesel engine can provide better fuel economy. However, for short city commutes with frequent stops and starts, the fuel efficiency advantage may not be as significant.
  2. Maintenance Costs: Diesel engines often require additional maintenance compared to gasoline engines. This can include more frequent oil changes, fuel filter replacements, and maintenance of the emissions control systems. It’s essential to factor in the potential costs of diesel-specific maintenance when considering using a Powerstroke V8 Diesel engine for everyday driving.
  3. Noise and Vibration: Diesel engines tend to produce more noise and vibration compared to gasoline engines. While advancements in technology have significantly reduced these effects, some people may still find the characteristics of a diesel engine less refined and noisier than a gasoline engine.

Q: Can I modify or tune a Powerstroke V8 Diesel engine for more power?

A: Modifying or tuning a Powerstroke V8 Diesel engine is possible and can provide increased power and performance. However, it’s important to approach modifications with caution and ensure they are done correctly. Modifying the engine may void the manufacturer’s warranty, and improper modifications can lead to decreased reliability and potential damage to the engine. If you’re considering modifications, it’s best to consult with experts or reputable diesel performance shops to ensure the modifications are done safely and effectively.

Q: Can a Powerstroke V8 Diesel engine handle cold weather conditions?

A: Powerstroke V8 Diesel engines are generally well-suited for cold weather conditions. However, like any engine, they can face challenges in extreme cold temperatures. It’s important to take proper precautions such as using winter-grade diesel fuel, installing block heaters, and following the manufacturer’s recommendations for cold-weather starting procedures. Additionally, allowing the engine to warm up before driving can help ensure optimal performance and reduce wear on the engine components.

Q: How reliable are vehicles with Powerstroke V8 Diesel engines?

A: Powerstroke V8 Diesel engines are known for their durability and reliability. When properly maintained, they can provide many years of dependable service. Regular maintenance, including oil and filter changes, fuel filter replacements, and following the manufacturer’s recommended service intervals, is essential to ensure the longevity and reliability of the engine. It’s also important to address any issues promptly and seek professional assistance for repairs or maintenance.