Aug 6, 2025Engine & cooling
The contact owns a 2017 Lincoln MKZ. The contact stated that upon starting the vehicle, the check engine warning light remained illuminated. The vehicle was taken to a local dealer where it was diagnosed, and the contact was informed that the engine had failed due to coolant intrusion. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 74,000.
NHTSA ODI 11678744
Jun 4, 2025Engine & coolingEngine
The contact owns a 2017 Lincoln MKZ. The contact stated while driving at an undisclosed speed, the engine seized, with the check engine warning light illuminated. The vehicle was taken to the dealer and the contact was informed that a tune-up was needed. The vehicle was not repaired. The vehicle was taken to an independent mechanic who performed the tune-up. The vehicle was repaired; however, the failure reoccurred. The vehicle was towed to the dealer and was diagnosed with coolant intrusion and engine failure. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was approximately 107,500.
NHTSA ODI 11664931
Nov 15, 2024Engine & cooling
The contact owns a 2017 Lincoln MKZ The contact stated while driving 35MPH, the check engine light illuminated. The vehicle was taken to the dealer where it was diagnosed that coolant was in the number two cylinder and the engine needed to be replaced. The vehicle was not repaired. The contact was relating the failure to TECHNICAL SERVICE BULLETIN 19-2172 (Coolant In Cylinders, White Exhaust Smoke, And/or Illuminated MIL) however the VIN was not included in the service bulletin. The manufacturer was notified of the failure and offered no assistance informing the contact that the VIN was not included in the service bulletin. The failure mileage was 7,500.
NHTSA ODI 11625492
Sep 4, 2024Engine & cooling
See attached document for complaint.
NHTSA ODI 11612652
Aug 23, 2024Engine & cooling
The contact owns a 2017 Lincoln MKZ. The contact stated that while the vehicle was parked, the vehicle was started and there was an abnormal antifreeze odor coming from the exhaust pipe. The contact stated that the check engine warning light was illuminated. The vehicle was driven back to the residence. The contact self-diagnosed the vehicle with a coolant leak into the cylinder. The contact had spoken to an independent mechanic, but the vehicle was not diagnosed. The contact was informed that the head gasket on the cylinder or the engine might need to be replaced. The contact was occasionally adding coolant to the vehicle to drive the vehicle. The manufacturer was not made aware of the failure. The failure mileage was approximately 134,000.
NHTSA ODI 11610411
Aug 23, 2024Engine & cooling
The contact owns a 2017 Lincoln MKZ. The contact stated that while driving at an undisclosed speed, there was an abnormal sound coming from the engine compartment with excessive smoke coming from the exhaust pipe. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic, who determined that coolant intrusion had damaged the engine, resulting in a misfire in cylinder #2, and the long block was cracked. The contact was informed the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was unknown.
NHTSA ODI 11610445
Apr 2, 2024EngineEngine & cooling
While out of town, the check engine light came on and the car began sputtering. There was a Lincoln dealer a couple miles away so I went there. The scan found code p303 and coolant had intruded in cylinder 3 and the engine needed to be replaced. The Lincoln dealer stated that there was a service bulletin issued about this problem with eco boost 2017 Lincolns.
NHTSA ODI 11580593
May 17, 2023EngineEngine & cooling
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.
NHTSA ODI 11522505
Feb 8, 2023Engine & coolingEngine
The contact owns a 2017 Lincoln MKZ. The contact stated while driving approximately 35 MPH, and at other various speeds, the check engine warning light remained constantly illuminated. The contact had taken the vehicle to a dealer where it was diagnosed that the vehicle had been leaking coolant into the engine block. The mechanic determined that the engine needed to be replaced. The vehicle had not been repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 50,000.
NHTSA ODI 11506267
Sep 1, 2022Engine & coolingEngine
The contact owns a 2017 Lincoln MKZ Hybrid. The contact stated that while driving at an undisclosed speed, the message "Engine Overheating" was displayed. The vehicle was taken to an independent mechanic to be diagnosed. The contact was informed that the engine was misfiring, the coolant level was extremely low, and coolant had intruded into cylinder #4. The vehicle was not repaired. The local dealer and manufacturer were notified of the failure. The contact indicated that TSB (22-229) regarding the failure had previously been issued by the manufacturer but the VIN was not included. The contact indicated that the vehicle had experienced the same failure listed in the recall. The failure mileage was 90,000.
NHTSA ODI 11482434
Aug 19, 2022Engine & cooling
The contact owns a 2017 Lincoln MKZ. The contact stated while driving approximately 50 MPH, there was smoke coming from the exhaust pipe, and the steering wheel was vibrating. There were no warning lights illuminated. The contact safely pulled over and exited the vehicle. The vehicle was towed to her residence. The next day the vehicle started; however, the failure reoccurred and the check engine warning light illuminated. The vehicle was towed to the local dealer and diagnosed with no coolant and a faulty engine. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 75,489.
NHTSA ODI 11480178