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What year did 3.5 EcoBoost come out?

The 3.5 EcoBoost engine, a turbocharged V6 powerplant developed by Ford, first made its debut in 2011. This engine has become a popular choice among Ford enthusiasts and has been featured in a variety of the automaker's models over the years.


The Origins of the 3.5 EcoBoost


Ford introduced the 3.5 EcoBoost engine as part of its EcoBoost line of turbocharged, direct-injected engines. The EcoBoost technology was designed to provide the power of a larger engine with the fuel efficiency of a smaller one. The 3.5 EcoBoost was first used in the 2011 Ford F-150 pickup truck, offering a significant boost in power and torque compared to the naturally aspirated V6 engines that had previously been available.


The Evolution of the 3.5 EcoBoost


Since its initial introduction, the 3.5 EcoBoost engine has undergone several updates and refinements. In 2017, Ford introduced a second-generation version of the engine, which featured improved fuel efficiency, reduced emissions, and increased power output. The 3.5 EcoBoost has also been used in a variety of other Ford models, including the Expedition, Explorer, and Flex.


The Benefits of the 3.5 EcoBoost


The 3.5 EcoBoost engine offers several key benefits to Ford customers:



  • Powerful performance: The turbocharged V6 design provides a significant boost in horsepower and torque compared to naturally aspirated engines of similar displacement.

  • Improved fuel efficiency: The EcoBoost technology helps to improve fuel efficiency, allowing drivers to get more miles per gallon.

  • Versatility: The 3.5 EcoBoost engine has been used in a wide range of Ford models, from trucks to SUVs, providing a versatile powertrain option.


Overall, the 3.5 EcoBoost engine has been a successful addition to Ford's lineup, offering a compelling combination of power, efficiency, and versatility.

What year did 3.5 EcoBoost stay away from?


2017 – 2020
Even though the 3.5L D35 engines are a definite improvement from the first generation, they still make it to our list of EcoBoost 3.5 years to avoid. Here's why you need to avoid these engines made between 2017 and 2020: Frequent ignition coil failures.



What is the most common problem with the 3.5 EcoBoost?


Short answer: The most common problems with the Ford 3.5 Ecoboost engine include carbon build-up, timing chain stretching, cam phaser problems, intercooler condensation, and ignition system failures.



What is the best year for the 3.5 EcoBoost?


From my experience the 2015-16 are the best year for the 3.5. The gen 1 phasers are better if you keep up with maintenance and I prefer their mechanical wastegates over the gen 2 electronic wastegates. My 2019 gen 2 needed an entire long block at 105k miles cause it spun a bearing.



What cars did Ford put the 3.5 EcoBoost in?


Ford 3.5L EcoBoost Engine

  • Ford Explorer.
  • Ford Expedition.
  • Ford Flex.
  • Ford F-150.
  • Ford GT.
  • Ford Police Interceptor Utility.
  • Ford Police Interceptor Sedan.
  • Ford Taurus.



What year did Ford introduce the 3.5 EcoBoost?


The 3.5-liter V-6 started as a direct fuel injection engine when it debuted in Ford vehicles in 2010. But for the 2017 and later model years, Ford redesigned the 3.5-liter EcoBoost to improve its performance. One critical introduction in this revamp was the multi-port fuel injection technology.



What year 3.5 EcoBoost to stay away from?


There will always be plenty of technical issues that will need a lot of fine tuning before it's fixed. As such, the 2011 – 2012 engine is one of the EcoBoost 3.5 years to avoid at all costs. Some of the most reported issues of this engine include: Extensive carbon buildup.



What is the downside to an EcoBoost?


The Ecoboost engine in early models is known for running hot. It had a nylon coolant pipe that often failed when exposed to high temperatures. This caused coolant to leak and the engine to overheat.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.