Overview of the 2.7L EcoBoost

The 2.7L EcoBoost is a twin‑turbo, gasoline direct‑injection V6 used in F‑150, Bronco, Edge and some Lincoln models across two main generations.
Direct injection, turbocharging, and downsized displacement mean higher cylinder pressures and greater sensitivity to lubrication, valve design, and PCV/calibration choices.  Consumer with persistent problems may have claims for compensation, repurchase, or other remedies. 

Core mechanical problem areas

• Because the 2.7L uses direct injection, multiple sources highlight carbon buildup on intake valves over time as a “known issue,” restricting airflow and causing misfires, hesitation, rough idle, and loss of power; walnut‑blasting or similar cleaning is often recommended at higher mileages.   These articles stress that the condition is more common on short‑trip, low‑load use where the engine doesn't fully warm up, exacerbating PCV and blow‑by deposits on valve surfaces.  A class action states, "Plaintiffs allege that the intake valves inside the engines are manufactured out of an alloy known as “Silchrome Lite,” which they allege is “a material that becomes excessively hard and brittle if exposed to over-temperatures during the machining of the component.”  According to the FAC, the “structurally-compromised intake valves cannot withstand the pressures placed upon them and risk fracturing.  Eco Boost Class Action Complaint

• Several technical and lemon‑law resources report oil‑pan leaks on certain 2.7L applications (often linked to composite/plastic oil pans or gasket sealing issues) that cause drips, driveway spots, and low‑oil warnings.  Timing‑chain‑tensioner issues and front cover leaks are also flagged on early engines, with “timing chain rattle” on cold start cited as a symptom that the chain/tensioner system is wearing or losing pressure.

• Recurrent leaks documented by repair orders (reseal, re‑gasket, replace pan, then repeat), especially under powertrain warranty, can support breach of written warranty and lemon‑law repurchase claims despite Ford's position that these are “wear” or “maintenance.”
  
  

  

  This is the 4th time the car is in the shop, I need reliable transportation

 Ignition‑system and head‑gasket problems

• High‑mileage 2.7L engines show patterns of ignition‑coil and spark‑plug failures (misfires, rough running, flashing MIL), characterized as “common” maintenance items in specialty shops and lemon‑law content.

• Head‑gasket concerns are less widespread than on some 1.5/1.6/2.0 EcoBoosts, but plaintiff‑oriented summaries include head‑gasket failure as a recognized risk, especially in neglected or overheated engines.

Potential legal claims (breach of warranty focus)

When a client presents with repeated 2.7L issues, you can typically frame:

• Breach of express warranty (powertrain / 5yr‑60k, etc.)

  • Engine suffers catastrophic failure (intake‑valve fracture, internal damage) or chronic oil consumption/leaks well within warranty; Ford's remedy (short block, top‑end work, PCV updates) fails to restore the vehicle to a defect‑free condition after a reasonable number of attempts.

• Breach of implied warranty of merchantability

  • Vehicle is not fit for ordinary use when it consumes oil at abnormal rates, strands the driver due to catastrophic valve failure, or requires repeated repairs for leaks/misfires/rough running at relatively low mileage.

• Magnuson‑Moss Warranty Act

  • Federal overlay on express/implied claims for covered “consumer products”; jurisdictional hook plus fee‑shifting where you plead a pattern of failed repairs and Ford's refusal to repair/replace/refund despite warranty coverage.

• State lemon law (e.g., NJ, NY, CA Song‑Beverly)

  • Nonconformity (engine failure, chronic oil consumption, drivability issues) substantially impairs use, value, or safety; manufacturer fails to correct after a reasonable number of repair attempts or a specified number of days out of service.

Dismissal of Ford Ecoboost Class Action

Plaintiffs do have to prove their claims and establish damage or injury.  A generalized class complaint which failed to specify injury by the named plaintiffs was recently dismissed. 

  Problem with Your Car, Call 973 598-1980 for a Free Consultation 

Sources

• CarBuzz: “2.7 EcoBoost Problems You Might Run Into” (detailed problem breakdown by year).
• Car and Driver: Ford EcoBoost Recall Article (September 2024).
• Lemon Law Help: Ford EcoBoost Engine Problems Lawsuit Overview.
• NHTSA Recall Documents and Ford Chronology Reports (via linked investigations).
• Owner forums: F150Forum, Reddit r/f150, Bob Is The Oil Guy (discussions on wet belt, oil pan, and timing issues).

YouTube Sources (popular technical videos and teardowns):

• “Ford F150 2.7 EcoBoost BIG FAIL!” (teardown showing turbo/coolant-related damage): https://www.youtube.com/watch?v=F7K_cojKrMM
• “2018 Ford F150 2.7L Ecoboost Teardown. Engine Failure at 96K Miles!?”: https://www.youtube.com/watch?v=xZJicuObVDY
• “Ford F-150 2.7L EcoBoost Engine RECALL Explained”: https://www.youtube.com/watch?v=sxn-wltll5A