2015 Ford Fusion engine problems
271 owner complaints filed with NHTSA name the engine on the 2015 Ford Fusion — 27% of all complaints for this model year.
What owners report
“Year/Make/Model: 2015 Ford Fusion Engine Type: 1.5L EcoBoost 4-Cylinder Description of Safety Flaw and Incident: My vehicle is experiencing severe overheating and internal engine fluid loss due to the widely documented Ford EcoBoost coolant intrusion defect. The vehicle routinely runs hot, losing…”
filed Sep 8, 2026
“The 2015 ford fusion are very known for this issue with coolant lost and more recently I was driving and a warning popped up saying my coolant was over temps so I pulled over and turned the car off next thing you know my coolant was gone and I just filled it up. To make it even worse my mechanic…”
filed Aug 26, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Fusion years
| Year | Reports | Share |
|---|---|---|
| 2020 Fusion | 50 | 28% |
| 2019 Fusion | 153 | 49% |
| 2018 Fusion | 201 | 46% |
| 2017 Fusion | 394 | 36% |
| 2016 Fusion | 441 | 27% |
| 2014 Fusion | 204 | 15% |
| 2013 Fusion | 384 | 21% |
| 2012 Fusion | 111 | 4% |
| 2011 Fusion | 276 | 10% |
| 2010 Fusion | 700 | 14% |
| 2009 Fusion | 30 | 3% |
| 2008 Fusion | 39 | 3% |
Other reported problem areas on the 2015 Ford Fusion
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.