Lincoln MKC Engine problems by year

The contact owns a 2018 Lincoln MKC. The contact stated that the check engine warning illuminated while the vehicle was parked. The vehicle was taken to the dealer, who determined that there was coolant intrusion in the cylinders, and that the engine needed to be replaced. The dealer replaced the engine. The manufacturer was notified of the failure by phone. The failure mileage was approximately 72,000.

shaking idling, coolant loss. Diagnosed at dealer with coolant intrusion.

10/26/26, took vehicle in for service due to a rough start. Was notified by phone the vehicle was diagnosed with the engine coolant intrusion and was found to have low coolant. The vehicle had just been inspected the week prior and all levels were acceptable. Engine needed to be replaced. Just under 68000mi. This known engine issue/documented defect needs addressed and at minimum, customer notified BEFORE it happens to them.

The contact owns a 2018 Lincoln MKC. The contact called on behalf of his wife who stated while driving at an undisclosed speed, the vehicle stalled. The vehicle was towed to an independent mechanic where it was diagnosed that there was an eco boost coolant intrusion and that the spark plugs and coils needed to be replaced. The vehicle was repaired however, the failure persisted, and the check engine warning light was illuminated. The vehicle was taken back to the independent mechanic where it was diagnosed that there was a blown head gasket that needed to be replaced. The failure mileage was approximately 70,000.

After my check engine light came on the dealership performed a cooling system pressure test and borescope inspection which confirmed a cylinder 2 misfire caused by structural coolant intrusion into the engine block. The dealership repair estimate is over $14,000. As an elderly and handicapped individual facing unstable housing, this catastrophic vehicle failure leaves me stranded, and the out-of-pocket cost is a severe and impossible financial hardship. •Known Inherent Defect: I learned that this exact...

The contact owns a 2017 Lincoln MKC. The contact stated that while his wife was driving 65 MPH, the check engine warning light was illuminated. An independent mechanic was contacted. The vehicle was taken to an independent mechanic, where it was diagnosed and determined that there was coolant inside cylinders #2 and #3. The contact was informed that the engine needed to be replaced. The engine was replaced, and the vehicle was repaired. The failure mileage was 45,000.

Rough idle at start up persisted as I got onto the road and caused near complete loss of drivability as "check engine" light appeared for the first time. Had towed to mechanic who replaced coils and plugs. One month later, check engine light appeared again. Brought back to mechanic who looked it over and said it was fine. Two weeks later, third apperance of check engine light. This time, I took to Lincoln dealership who ran appropriate diagnostics and confirmed one week later this is the coolant intrusion defect that will require a long-block engine replacement for $12,500. Car has 55,000 miles.

See attached document for complaint

There is a coolant leak going into the cylinder 3 causing misfire and overheating and engine shutoff Car shut down and locked up on the highway and I had to coast to the shoulder and get it towed. The ford dealer said it needs an engine replacement specifically a long block assembly estimated at 10k. It was inspected by the ford dealership. there was a code p0303 saying misfire so I got all the spark plugs replaced and when i was driving home from work the car locked up and said overheating and had to coast off...

I am filing an urgent safety complaint regarding a severe Ford/Lincoln EcoBoost engine defect, fraudulent recall reporting, and the illegal refusal of repair on my vehicle, which has only around 20,000 miles. Since this vehicle is under an active safety recall, the manufacturer and dealership have a strict legal obligation to perform the recall repair at no cost to the consumer.My vehicle recently experienced a major engine failure with the Check Engine Light illuminated The authorized dealership diagnosed the...

My 2017 Lincoln MKC equipped with the 2.0L EcoBoost has recently experienced a serious engine failure and requires engine replacement. It developed an engine problem while driving on at least two occasions and is no longer reliable or safe to operate. No prior warning messages were observed on the vehicle. Fortunately, I was able to pull over on the side of the road and I observed smoke coming from the engine. I was then concerned about the safety of an unexpected engine failure while driving, which might cause...

Engine has a known defect causing coolant to leak into cylinders. Car is not safe to drive as car can overheat, blow gasket, loose power, catch fire while operating.

The contact's wife owns a 2017 Lincoln MKC. The contact stated that while driving at various speeds, the engine was running rough. The check engine warning light was illuminated. The vehicle was taken to a local dealer, where it was diagnosed and determined that the #3 cylinder and spark plug had seized and there was water intrusion into the engine. Upon further investigation, the contact associated the failure with NHTSA Action Number: DP26008. The contact stated that the engine was previously replaced by an independent mechanic with parts from the local authorized dealer. The manufacturer was made aware of the failure and a case was filed. The failure mileage was approximately 101,989.

Sept 2026. Coolant intrusion. Causes engine light to illuminate, engine to overheat, rendering vehicle unable/unsafe to drive, potential fire risk. The failure was diagnosed by Lincoln dealer as a known defect via technical service bulletin. My research revealed this defect is found in numerous Ford vehicles.

The contact owns a 2018 Lincoln MKC. The contact stated that upon attempting to start the vehicle, the engine misfired. The dealer was notified of the failure. The vehicle was taken to the dealer, where it was diagnosed that coolant intrusion had resulted in the engine failure, and it was determined that the engine needed to be replaced. The manufacturer was notified of the failure by phone. The failure mileage was approximately 73,617.