2019 Ford Mustang

2019 Ford Mustang with 3.2 EcoBoost engine has coolant intrusion into the engine thru a defectively made engine block. Diagnosed by the Ford dealer in Hinesville,GA on August 11,2026. Car has 52,731 miles on it and has always been maintained by the local Ford service department. Car is a daily driver, no abuse or rough driving. Car is available for inspection upon request Coolant intrusion can cause sudden engine failure, loss of power and sudden stoppage at any speed. Overheating due to loss of coolant, engine fire, loss of control of the car. Check engine light came on and engine ran rough on cold start up on [XXX] & i then took it in to be checked out by Ford service. Service advisor stated that this coolant intrusion is due to a Ford known defect in the EcoBoost engines; but that there has been no recall. Only solution he offered was to have a new replacement engine installed for about $13,500. I declined the replacement. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ID

11756275

Incident

Aug 5, 2026

Engine Failure where a replacement engine is required just after a few months of purchasing the vehicle.

NHTSA ID

11744985

Incident

Mar 1, 2026

Coolant intrusion. This particular motor has caused NUMEROUS issues with 2019 & older Ford models, specifically with the 2.3L Ecoboost engines. The Ford Motor Company should recall & replace the engines of all models affected, mine included. I spent $2200 for a new timing system, tow fees, was broke down on the side of the road when my engine overheated. I bought this car brand new. Financed $27k & owe $3900 right now. Devastated & livid describes how I feel at the present. Coolant intrusion causing hydrolock is a KNOWN issue by Ford, and they should make things right with the owners of the vehicles affected. A new motor will cost $6500. That should NOT be a cost that the customer has to pay.

NHTSA ID

11744908

Incident

May 28, 2026

The contact owns a 2019 Ford Mustang. The contact stated that while driving at various speeds, the front driver's side door suddenly unlocked and became slightly ajar. The contact immediately opened and closed the door, and then securely locked the door. The contact became aware of information related to the locking mechanism; however, the contact was unable to locate the information. The vehicle was not taken to the dealer to be diagnosed or repaired. The manufacturer was not informed of the issue. The failure mileage was approximately 82,000.

NHTSA ID

11744411

Incident

May 16, 2026

Mileage

82,000 mi

Left for work. Started running funny, stalled-started-stalled-started on my street. Got on highway about 1/2 mile, check engine light & engine temp light came on. Got off highway and called a tow to SARASOTA FORD. Tech ran diag. for codes, codes found.: P1285( cylinder head over temp ), P0316(engine misfire ), P0304( cylinder 4 misfire ), P0303(cylinder 3 misfire ), P0302( cylinder 2 misfire ), P217( engine coolant over temp ),.. Tech removed spark plugs and saw coolant in cylinder's ( 2,3,4 ) with a bore scope. Ongoing problem I found out about after the fact with the ( 2015-2019, 2.3L EcoBoost .. "ECO-BOOM" motor ). Specifically between cylinder's 2 & 3... Was quoted a repair cost of over $10,000.00 -12,000.00 dollars. It's been next to my house for almost a year now. Bought the car used in JANUARY 2021 with my son with no explanation of the known problem. If known I would not have bought the car, 2019/FORD/MUSTANG/2DR CPE ECOBOOST FASTBACK. Diagnostics were done on 06/04/2025 at ... Incident happened around 05/30-31/2025, That's about all I got

NHTSA ID

11739704

Incident

May 30, 2025

The contact owns a 2019 Ford Mustang. The contact stated while driving at an undisclosed speed, the accelerator pedal was depressed, however the vehicle failed to accelerate as intended. The vehicle's speed did not accelerate above 20 MPH. In addition, the check engine warning light illuminated. The vehicle was driven to the shoulder of the road. The vehicle was towed to the contact's residence. The vehicle was taken to an independent mechanic where it was diagnosed with coolant intrusion and a failed engine. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The vehicle was taken to the dealer where it was diagnosed with coolant intrusion and a failed engine. The contact was informed 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 103,000.

NHTSA ID

11737649

Incident

Mar 13, 2026

Mileage

103,000 mi

Rebuilt transmissions are bad. Two in the last four weeks have been placed in my 2019 California Special Edition Mustang, and both are bad. They both came from the Ford manufacturer. The transmission locks up at any point while driving at any speed, causing the car to jerk to a standstill, and only while you are driving. We were on 465, and the car automatically stopped in the middle of the highway while other vehicles were flying by and behind me. We were almost hit by several vehicles. This also occurred while the mechanic test drove the car with the second rebuilt transmission placed in my car. No warnings, nothing before this occurred. This is a huge safety hazard and risk for many. The dealership is aware and advised me to contact Ford Motor Company and not to drive my car until something can be done. I have contacted Ford Motor Company, and they have yet to do anything or reach back out to me regarding this safety issue. The car is available for inspection at any time needed since it is still sitting at the dealership with the second rebuilt transmission in it that is no good.

NHTSA ID

11736526

Incident

Apr 6, 2026

My 2019 Ford Mustang Ecoboost Premium Fastback is having an issue with the transmission. When I shift from park to reverse or from reverse to drive, the car makes a clunking noise. There are times when i do a doubletake in my rear view mirror to see if someone has hit me in the back, this happens sometimes when i shift into reverse. Also, I have to stay back at least a car length behind vehicles as the car will sometimes lunges forward which can cause an accident. Will be taking my vehicle into service for this problem.

NHTSA ID

11735768

Incident

Dec 1, 2025

Harvest Program 25H05 – Supplement #1 Certain 2011-2021 Model Year Vehicles Software Verification Harvest Program

Customer Satisfaction Program 25N15 - Supplement #1 Certain 2015-2019 Model Year Multiple Vehicle Lines Rear View Camera Inspection For One-Time Replacement

Ford and Lincoln vehicles equipped with wired keyless entry keypad systems and accessory wireless keyless entry keypad systems may or may not come with a wallet card containing the master code. Unlike the integrated wired keypad, the accessory wireless keypad master code cannot be retrieved from the vehicle using a diagnostic scan tool or from the label printed on the body control module (BCM). The Factory Keyless Entry Code application within the diagnostic scan tool will not provide an applicable master code for the accessory wireless keypad. If the wallet card for an accessory keypad is not available, the "Wireless RF Keypad Diagnosis Guide" can be referenced and provides direction on how to retrieve the master code. This guide is located under the Workshop Manual tab > Accessories > Installation > Wireless RF Keypad Diagnosis Guide > PPT C > Step C2.<br /><br /> Note: The only available keypad for some vehicles from the assembly plant is the accessory wireless keyless entry keypad. The integrated wired keypad cannot be installed on vehicles not equipped from the factory with a wired keyless entry k

Some 2019-2024 Ford and Lincoln vehicles equipped with SYNC3 may experience various connectivity concerns with The Ford App Lincoln App including but not limited to: missing activation prompt pop-upon the vehicle's center display screen when attempting to activate vehicle through The Ford App Lincoln App, incorrect location global positioning system GPS reported through The Ford App Lincoln App, problems with remote commands being performed through The Ford App Lincoln App and or incorrect data information reported on The Ford App Lincoln App. These symptoms will be accompanied by diagnostic trouble code DTC B156D 89 in the TCU. This may be due to the accessory protocol interface module APIM software. To correct the condition, update the APIM software.

Certain 2015-2019 Model Year Multiple Vehicle Lines Rear View Camera Inspection For One-Time Replacemen

Certain 2015-2019 Model Year Multiple Vehicle Lines Rear View Camera Inspection For One-Time Replacement