2018 Ford Fusion Complaints

  • Engine 06/09/2026

    Per mechanic, head gasket has failed due to known issue with 1.5L Ecoboost engines. Coolant is leaking into the engine. White smoke in the exhaust indicating coolant leak. Vehicle is currently availble for inspection upon request, but is destined to be sold. Driver safety as well as surrounding driver safety as risk should engine completely fail due to overheating while driving, potentially causing an accident. There is currently a class action lawsuit in the works for this issue as many other have had it. At this time vehicle has only been inspected by our local mechanic. There were no warning lamps, messages or other symptons prior ot the issue. When the issue stated, there was a "waterfall" sound in the engine compartment, which caused us to take the vehicle to the mechanic for diagnoses.

  • Engine 05/20/2025

    My 1.5L EcoBoost engine experienced coolant intrusion into the cylinders, a known and documented defect associated with this engine family across multiple Ford model years. Prior to the failure, the vehicle displayed symptoms consistent with internal coolant loss, including white exhaust smoke, coolant level dropping without visible external leaks, and rough running. No external coolant leak was ever identified. The vehicle was subsequently diagnosed by an independent service center, which confirmed coolant intrusion into the engine internals consistent with a head gasket or coolant jacket failure. The component is available for inspection upon request. The failure rendered the vehicle completely undriveable. The vehicle has been out of service for approximately 12 months and has not been driven since the failure occurred. The repair was quoted at approximately $12,000 for a full engine replacement, exceeding the current market value of the vehicle. Safety was put at risk due to sud...

  • Engine 03/18/2026

    On [XXX], I drove my 2018 Ford Fusion Titanium AWD to a doctor 37 miles away through rural PA. The car was a reliable workhorse, needing only regular shop visits, and had 108K miles by this date. Midway through the [XXX] drive , a red warning square popped up on the dash to tell me that the engine was overheating, and a pink warning square said the car would lessen electrical draw so that it could cool the engine. Both alerts disappeared quickly. There was no unusual sound or smell before the alerts nor the rest of the drive. I also had no prior dash alerts, only ?3 misfires months apart I now know were symptoms of [XXX]. During down time before/after the doctor, I Googled the error messages and read my owner's manual. I restarted the car w/o incident after it had sat for 45 minutes. Six miles into my way home, the same red square popped up, though no second alert did. I pulled over at a clearing 3 miles later. I sat by the side of the road without cell service for 45 minutes. I had...

  • Engine, fuel/propulsion System 05/01/2026

    Formal Complaint – 2018 Ford Fusion 1.5L EcoBoost – Engine Block Defect Statement of Issue:I am writing to report a premature engine failure on my 2018 Ford Fusion 1.5L. The vehicle is exhibiting all symptoms of the well-documented "coolant intrusion" defect described in Ford Technical Service Bulletin (TSB) 22-2222. Despite following all recommended maintenance intervals, the engine block has failed, allowing coolant to enter the combustion chamber.Observations:Confirmed coolant loss with no external leakage found via pressure test.Significant white smoke and rough idle upon cold start. Desired Resolution: Since this is a known manufacturing defect involving the engine block's cooling channels—and not a result of wear and tear—I am requesting a "Goodwill Repair" for a long-block replacement. The current TSB denial based on [8 years] is unacceptable for a known catastrophic design flaw that compromises vehicle safety.

  • Engine 05/11/2026

    Coolant intrusion

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