Coolant intrusion causing engine failureENGINE7 complaints2024-11 → 2026-09lincoln-mkz-2019-coolant-intrusion
- 11758064 On XXX, the engine in my 2019 Lincoln MKZ (Mileage 58,089) with the 2.0L EcoBoost engine suffered a catastrophic, sudden failure while driving. The vehicle began to overheat & run extremely rough, triggering multiple warning lights. It is now inoperable and unsafe to drive
- 11753851 My engine has failed at less than 40,000 miles due to coolant leaking into the engine
- 11623234 Engine failed due to coolant intrusion into cylinders. This is a known design flaw in this engine