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Lincoln · Known Issues

2019 Lincoln MKZ Problems: 1 Known Issue

2019 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026

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Issue summary

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2019 Lincoln MKZ has 1 documented issue, with 1 rated critical. The most serious is 2.0L EcoBoost Internal Coolant Leak / Coolant Intrusion into Cylinders ($5,000-$15,000 repair). Across all issues with published estimates, repair costs range from $5,000 to $15,000. DIY maintenance guides at au7o.io.

In This Article

  • MKZ Engine1
  • Recalls10
  • FAQ
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In This Article

  • Engine1
  • Recalls10
  • FAQ

All 1 Known Issue

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ALL YEARS20202019201820172016201520142013201220112010200920082007

On the 2013-2020 Lincoln MKZ, second-generation MKZ models equipped with the 2.0L EcoBoost turbo engine can develop an internal coolant leak where coolant seeps from the cooling jacket into a combustion chamber, commonly cylinder 2. This is attributed to a cylinder head/block design and sealing defect. Burned coolant causes misfires, white exhaust smoke, chronically low coolant with no external leak, and in severe cases overheating and complete engine failure. The defect is the subject of a Ford EcoBoost coolant-intrusion class action.

This issue also affects: Ford Aerostar, Ford Bronco, Ford Bronco Sport

Common Symptoms

  • Check engine light with misfire code
  • Coolant level dropping with no visible external leak
  • White smoke from exhaust
  • Rough idle / hesitation
  • Engine overheating
  • Sweet coolant smell

How to Fix

Mild cases may be addressed with a head gasket or cylinder head replacement, but many vehicles require a long block or full engine replacement (commonly $5,000-$15,000). Affected owners should check for any applicable Ford coolant-intrusion warranty extension/class-action reimbursement and document low-coolant and misfire history.

Typical repair cost:$5,000 - $15,000

Research This Issue

GoogleRedditYouTubeNHTSA
Community Reported
High ConfidenceVerifiedReviewed Jun 2026
NHTSA Recalls10 recalls

BACK OVER PREVENTION:SOFTWARE

Ford Motor Company (Ford) is recalling certain 2018-2022 Transit Connect, 2019-2020 MKZ, MKX, Edge, Continental, F-150, Nautilus, Fusion, 2019-2023 Ranger, Mustang, 2020-2021 EcoSport, Expedition, Navigator, 2020-2022 Escape, F-250 SD, Corsair, 2020-2023 Aviator, Transit, 2020-2024 Explorer, 2021-2024 Bronco Sport, and 2022-2024 Maverick vehicles. A software error may cause the rearview camera to display a blank image, or the image may remain on the display after the backing event has ended.

Campaign #25V44200027/06/2025

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

Ford Motor Company (Ford) is recalling certain 2013-2018 Fusion and Lincoln MKZ vehicles. The front brake hoses may rupture and leak brake fluid.

Campaign #23V16200010/03/2023

STEERING: STEERING WHEEL/HANDLE BAR

Ford Motor Company (Ford) is recalling certain 2014-2018 Lincoln MKZ and Ford Fusion vehicles. The steering wheel retaining bolt may loosen allowing the steering wheel to detach while driving.

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Other Lincoln Models

Lincoln Aviator31Lincoln Nautilus22Lincoln Navigator18Lincoln MKX10Lincoln Town Car9Lincoln Corsair6

Frequently Asked Questions

What are the most common Lincoln MKZ problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2019 Lincoln MKZ has 1 documented issue. The documented issue is: 2.0L EcoBoost Internal Coolant Leak / Coolant Intrusion into Cylinders. Of these, 1 is rated critical and should be addressed promptly.

Is the Lincoln MKZ reliable?

The 2019 Lincoln MKZ has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: 2.0L EcoBoost Internal Coolant Leak / Coolant Intrusion into Cylinders. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Lincoln MKZ problems?

Repair costs for known Lincoln MKZ issues range from $5,000 to $15,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 2.0L EcoBoost Internal Coolant Leak / Coolant Intrusion into Cylinders, typically costs $5,000-$15,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2013-2020 Lincoln MKZ 2.0L EcoBoost Internal Coolant Leak / Coolant Intrusion into Cylinders?

Second-generation MKZ models equipped with the 2.0L EcoBoost turbo engine can develop an internal coolant leak where coolant seeps from the cooling jacket into a combustion chamber, commonly cylinder 2. This is attributed to a cylinder head/block design and sealing defect. Burned… Repairs typically run $5,000-$15,000. Severity: high.

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data compiled from NHTSA recalls, manufacturer TSBs, automotive forums, and AI-assisted research. No aggregated owner-report counts available for this vehicle yet.

Campaign #18V167000
12/03/2018

STEERING:ELECTRIC POWER ASSIST SYSTEM

Ford Motor Company (Ford) is recalling certain 2013-2016 Ford Fusion and Lincoln MKZ, 2015-2016 Ford Edge, and 2016 Lincoln MKX vehicles originally sold, or currently registered in Connecticut, Delaware, the District of Columbia, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, and Wisconsin. Road salt or other contaminants may corrode the electric power steering gear motor attachment bolts.

Campaign #19V63200029/08/2019

POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

Ford Motor Company (Ford) is recalling certain 2017-2018 Ford Edge and 2017 Lincoln MKZ vehicles. On vehicles with 2.0L gas engines and six-speed automatic transmissions, the torque converter weld studs may have been inadequately welded.

Campaign #18V39000011/06/2018

+ 5 more recalls. Check all on NHTSA.gov

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