Ford Duratec 16v Sigma Engine

Ford Duratec 16v Sigma Engine: A Powerful and Efficient Powerhouse

ByPeter M. Thomas

The Ford Duratec 16v Sigma engine is a 4-cylinder, 16-valve, naturally aspirated gasoline engine developed by Ford Motor Company. It is part of the Duratec family of engines, which are known for their reliability, performance, and fuel efficiency. The Sigma engine was first introduced in 2004 and has since been used in a wide range of Ford vehicles, including the Focus, Fusion, and Escape.

Design and Features

The Duratec 16v Sigma engine features a lightweight aluminum block and head, which helps to reduce weight and improve fuel efficiency. The engine also has a variable valve timing system that optimizes valve timing for improved performance and fuel economy. Additionally, the Sigma engine is equipped with a sophisticated electronic control system that manages engine functions such as fuel injection, ignition, and emissions control.

Performance and Efficiency

The Duratec 16v Sigma engine produces an impressive 140 horsepower and 140 lb-ft of torque. This makes it a great choice for vehicles that require good performance without sacrificing fuel economy. The engine’s lightweight design and variable valve timing system also contribute to its excellent fuel efficiency, with an EPA-estimated city/highway fuel economy of 25/35 mpg for the Focus.

Reliability and Durability

The Duratec 16v Sigma engine is known for its reliability and durability. It has a strong track record of providing years of trouble-free operation, even in harsh conditions. The engine’s simple design and high-quality construction materials contribute to its long-term reliability.

Maintenance and Service

The Duratec 16v Sigma engine is relatively easy to maintain and service. It has a long service interval of 7,500 miles for oil changes and 100,000 miles for spark plug replacement. The engine also has a simple design that makes it accessible for repairs and replacements.

Conclusion

The Ford Duratec 16v Sigma engine is a powerful, efficient, and reliable powertrain that has been used in a wide range of Ford vehicles. Its lightweight design, variable valve timing system, and sophisticated electronic control system contribute to its impressive performance, fuel economy, and reliability. If you are looking for a dependable and efficient engine for your vehicle, the Duratec 16v Sigma is a great choice.

Additional Information

  • The Duratec 16v Sigma engine is available in both front-wheel-drive and all-wheel-drive configurations.
  • The engine is also available with a 6-speed manual or 6-speed automatic transmission.
  • The Duratec 16v Sigma engine meets stringent emissions regulations, including the Euro 5 and ULEV (Ultra Low Emission Vehicle) standards.
  • The engine is also compatible with a variety of alternative fuels, including ethanol and E85.
Peter M. Thomas
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