Why Ford Ecoboost Engines Fail
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Published 2022-12-05
The Ford Ecoboost line of engines was loosely based on Mazda’s L series of 4 cylinder all aluminum engines. In 2015, Ford updated this engine as it is currently used in production vehicles today. In this teardown we examine the main components and its construction, including its dual VVT valve train, cylinder head, integrated exhaust manifold, turbocharger, intake, direct injection system, cylinder block and lubrication system, crankshaft, balancer assembly and oil pan.
While some external pieces vary between applications, most of the internal pieces are the same. As far as reliability, common issues will be carbon buildup, turbocharger manifold leaks, fuel pumps failing (both low and high pressure) and turbo boost controller solenoids failing.
The engine in this video was from a 2016 Ford Focus ST, which may have been subjected to water intrusion from the PCV catch can. The engine did not show any signs of damage or water internally.
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0:00 Introduction
0:39 Teardown
12:00 Analysis
15:43 Failures
All Comments (21)
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People wonder why I still drive my old beater, it's because the engine is solid and everytime I think of buying something else I Google it and this guy has a whole video detailing why I shouldn't. He's saved me a fortune.
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FINALLY - a tear-down video series from someone who is not only knowledgeable, but knows how to edit so the audience doesn't go to sleep watching someone pull every one of a dozen head cover bolts. Nice - clear, concise, great information, and a fun to watch.
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I love that you include the personal effects of the whole family in these teardown videos.
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The quality of editing on your video is top notch as it quickly gets to the point without skipping major steps. The voice over is great and clear. All vehicle tech videos should try to match this quality. Thanks!
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"One thing I like about this engine is a flat bottom pan so when it fails, it sits flat & doesn't fall on your foot" 😂 I love it. Great teardown, thanks!
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I have no intention of ever trying to dismantle an engine but YOU DID A GREAT JOB OF EXPLAINING! I am so impressed!
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Great video, well done
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You have done the best engine tear down video I've ever seen. You know what you're doing and I so appreciate the explainations! I've been in the industry for 45 years and this new school stuff I never got into. Thanks for the explainations and I so appreciate your knowledge. Great Job!!
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“Until the oil companies give up and we’re all mandated to drive skateboards”… This is one of the best recaps / summations of a very complex year down and visual explanation of why this engine design ultimately fails. You couldn’t have summed up better sir.
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180k miles on the 2.0L ecoboost in my 2013 Escape. Only service has been spark plugs and oil changes. Occasional smoke on startup but still feels pretty solid!
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15:44 - This was definitely a weak spot with this engine. I can't tell you how many 2.0 turbos I had to replace while working for Ford. Either the manifold cracked or the wastegate failed both were common failures around 60K miles. Since it was a one-piece assembly and very time consuming to replace, it was a costly repair ($1800). Ford really killed their already deteriorating reputation with this engine. It was used on their most popular vehicles and either the turbo failed, or the slotted cooling block would fail all at an early mileage or just beyond warranty coverage. Leaving owners with a vehicle that needs a new engine to the tune of $8000.
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This guy = the best. Not much time waste & tons of accurate info. Definitely knows his craft. Thank you, Sir.
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Actually looks like one of the better designed and built engines I've seen in years. Also it appears FAR easier to work on than many of it's contemporary's. But honestly the direct injection without an intake manifold injector is just a death sentence for all direct injection engines. Great video as always.
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0:50 satisfying sound when removing coil packs
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I'm a big fan of watching teardown videos and etc., other people doing repairs - but really, YOU have the formula down pat - you have and amazing cadence and tempo for dismantling engines. You really ride the edge for showing all the components and keeping it simple enough to keep our attention. Awesome video!
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Only six minutes in & I've already been extremely impressed with the no nonsense quick but very informative video. This fellow doesn't faff about. His explanation of what parts are, how they work, & how they relate to each other - whilst being quick in what he is doing - is to be applauded. Excellent no nonsense video editing also. Everything adds up to a very enjoyable & informative viewing. Thank you for your 'tuition'. I will look out for future offerings.
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GREAT mechanical review! You have a gift for explaining things in an easy to understand format. Keep up the great work 👍
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I appreciate the straightforward approach to the teardowns and the explanations. Another great video man
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Had this engine in my 2017 escape titanium. Liked it a lot. No complaints at all. Great power and torque. Engine was not burning any oil. Car was sold with 186k km on the clock. Good mid grade and premium fuel as well as frequent oil changes (I did it every 5-7k km) and you could easily get 300k km and more.
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Probably the best engine strip video I have ever seen. 👏👏👏
