NHTSA Complaint #11522505 — 2017 LINCOLN MKZ HYBRID

The contact owns a 2017 Lincoln MKZ Hybrid. The contact stated that while his wife was driving at 70–75 MPH, there was white and black smoke coming from underneath the hood. The vehicle stalled and made an abnormal sound. No warning lights were illuminated. The vehicle was towed to an independent mechanic, who informed the contact that the timing chain malfunctioned inside the engine, which caused the spark plugs to completely melt. There were several unknown misfire codes. Additionally, the contact was informed that the engine needed to be replaced. The vehicle was not repaired. The vehicle was towed to a dealer, who informed the contact that the catalytic converter had failed, which caused the engine to overheat. Additionally, the piston rod had a hole melted through the center, and the exhaust mounts were melted along with several other unknown parts. The dealer confirmed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 85,000.