general problems of the 2015 Ford Mustang

34 problems related to engine and engine cooling have been reported for the 2015 Ford Mustang. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 Ford Mustang based on all problems reported for the 2015 Mustang.

1 Engine And Engine Cooling problem

Failure Date: 03/12/2026

I was driving down the highway with heater on and defrost. All of a sudden I hear a pop and my car started bogging down. I exited the highway to get out of danger, it then had a wrench light ( transmission) pop up and when I parked the car on the access road it started smoking a lot. I turned the vehicle off immediately and when I seen smoke coming from under the hood and into the cab of the car. I lifted the hood after seeing fire in the passenger wheel well. And then in the engine block towards the windshield in the middle of the engine. I am a fire fighter and it appeared to me that the fire was being fed by some kind of substance. Fort worth fire department showed up and put the fire out and took a report.

2 Engine And Engine Cooling problem

Failure Date: 12/07/2025

“charge system service now” came on the dash, battery lost power after about 10 seconds, screen went black, dash went black, car locked up, opened the hood and the engine was on fire, called 911 who came quickly and put the fire out without the entire car burning, insurance later total losses the car. I don’t know if it was the battery or the engine responsible for the failure, because the flames were on the engine and not the battery, but the incident was triggered by a battery warning. I was on the interstate driving 60mph when the car shut off and everything including my headlights and even hazard lights went black. Not only could I have been struck by a car on the interstate, I could have died in a car fire. Because the car locked up, I couldn’t open the trunk or use any electronics. The door could have just as easily locked and trapped us inside a burning car. The car is on a salvage yard, no attempt to replicate has been made. Progressive insurance, and columbia fire inspected it and found that it was undetermined. “charge service system now” was the only warning before the infotainment screen shut down to reduce battery usage. Every light on the dash flashed right before everything on the dash went black and power was lost to the entire vehicle.

3 Engine And Engine Cooling problem

Failure Date: 09/22/2025

The evaporator is leaking and apparently is a known issue from Ford and they didn't report this. The evaporator core is leaking and it blows hot air for a good amount. It draws a lot of power form the system and drops the rpm below idling. Forcing me to rev a cold engine so that it does not stall out.

4 Engine And Engine Cooling problem

Failure Date: 08/25/2024

Brake lights don’t function brake switch bumper broke off and lights stay on but not bright when brake is depressed. Loss of power random misfire cut from loss of power. Brake switch fault in computer.

5 Engine And Engine Cooling problem

Failure Date: 05/21/2024

A plastic clip ("brake pedal bumper") broke and fell out of place, causing the brake pedal to no longer reach the brake light switch. The brake lights now remain illuminated permanently, even with the brakes released. This also caused the engine and transmission to go into "limp mode", the engine no longer revving over 2,000 rpm, the transmission not shifting, and hill-start assist and traction control no longer working, making the car unsafe to drive. The brake lights will remain on even when the car is completely shut off and locked, draining and damaging the battery. It is my understanding that this is a known issue, and there was a recall for this in certain states. (safety recall 22s02, regional recall 22r01). There should be a national recall for this, as the affected part appears to be of low quality, and causes safety issues when it fails, with the car's drivability and lighting affected.

6 Engine And Engine Cooling problem

Failure Date: 05/08/2024

The most common engine failure issues are associated with the 2. 3l ecoboost engine, which is prone to coolant leaks causing significant damage to the engine.

7 Engine And Engine Cooling problem

Failure Date: 11/21/2023

2015 Mustang ecoboost premium with performance package. Coolant leaked into the engine oil, causing damage to the engine. Now the engine may have to be rebuilt or replaced.

8 Engine And Engine Cooling problem

Failure Date: 09/01/2023

The little rubber pad that it attached to the brake pedal disintegrated. Without that pad the vehicle goes into limp mode and won’t drive over 40. Don’t know why the brake switch is connected to other electronics in the vehicle that would make it go into limp mode. Very unsafe while driving on the highway.

9 Engine And Engine Cooling problem

Failure Date: 02/06/2023

2015 Ford Mustang. Consumer stated that their vehicle has multiple outstanding recalls that have not been repaired.

10 Engine And Engine Cooling problem

Failure Date: 11/04/2022

The contact owns a 2015 Ford Mustang. The contact stated while driving 40 mph, the check engine warning light illuminated and there was an abnormal bump before the vehicle lost motive power. The contact was able to pull over on the side of the road and noticed oil leaking from underneath the vehicle. The contact checked and saw a hole on the engine block. The vehicle was towed to the dealer, and the contact was informed that the long block needed to be replaced. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage 109,000. The VIN was not available.

11 Engine And Engine Cooling problem

Failure Date: 10/10/2022

The contact owns a 2015 Ford Mustang. The contact stated that while driving, the cruise control was set to75mph when he heard a loud noise and started to see a light then dark gray cloud of smoke at the hood of the vehicle. The contact stated that the engine started to decelerate, and he was able to coast off the road. The contact stated upon inspecting under the hood of the vehicle, oil was scattered throughout. The vehicle was towed to the dealer where it was diagnosed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and the contact was advised to call the NHTSA hotline. The failure mileage was approximately 41,000.

12 Engine And Engine Cooling problem

Failure Date: 08/29/2022

The contact owns a 2015 Ford Mustang. The contact stated that while driving at unknown speeds, the valve cover was engine oil leaking onto the exhaust manifold. There was smoke coming from underneath the hood. There were no warning lights illuminated. The vehicle was taken to an independent mechanic and four new head gasket holes were drilled, and bolts were added. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was contacted and referred the contact to the NHTSA hotline. The failure mileage was 55,000.

13 Engine And Engine Cooling problem

Failure Date: 06/22/2022

What component or system failed or malfunctioned, and is it available for inspection upon request? connecting rod in the engine. The car is available for inspection. How was your safety or the safety of others put at risk? I was traveling on a major highway at highway speeds when the engine failed. Luckily there was a wide shoulder on the section of highway I was traveling on. I could not make it to the nearest exit less than a mile away. Has the problem been reproduced or confirmed by a dealer or independent service center? yes a Ford dealership has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? no were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? no warning messages. I checked every gauge in my car when I began to lose power, and every gauge said it was within normal range. There were no earlier symptoms, and I have been told by the dealership that this is a mechanical defect.

14 Engine And Engine Cooling problem

Failure Date: 11/16/2021

Outside of car always smells of antifreeze, not sure where from, don't see a leek. Car sometimes feels like it stalling.

15 Engine And Engine Cooling problem

Failure Date: 04/25/2021

Bolt at the back of the engine rattled loose and scarred the torque converter, flexplate, bell housing of the transmission, and the block of the engine.

16 Engine And Engine Cooling problem

Failure Date: 02/15/2021

I was driving my 2015 twin eco-boost car on a city street,when I I heard something under hood. And right at that moment smoke was rolling out from under the hood. When I stopped and got out,thats when a witness told me she saw flames coming out from under the car it melted everything under the hood. Every wire was exsposed. I am waiting for report from fire department. I do have a picture of it. Fire chief said battery exploded.

17 Engine And Engine Cooling problem

Failure Date: 10/30/2020

Suddenly started experiencing a loss of power at highway speeds only remedied by slamming the accelerator to the floor which then caused the car to surge forward. After getting the car home also noticed the rear brake lights would remain on at all times. The twin problems ended up being connected. Turns out there is a small plastic/ceramic piece in the brake assembly that fails and breaks apart without warning - also no dashboard warnings after it fails. Causes the vehicle to think the brakes are being applied and cuts the power in response. This happened while traveling at interstate highway speed and was an immediate safety issue. Was told by the dealer this small part is very susceptible to florida heat - unfortunately the whole brake assembly has to be replaced.

18 Engine And Engine Cooling problem

Failure Date: 07/17/2020

Throttle body failing at 60k, Ford has TSB for 2016+ Mustang throttle bodies with same issue, not 2015. Code p2112. Vehicle randomly goes into limp mode at anywhere from 10mph to 60mph. Happened 3 times in the last 2 weeks including twice in the last two days.

19 Engine And Engine Cooling problem

Failure Date: 07/03/2020

After 5 visits to a Ford dealer, rough idling issue finally discovered and fixed on 5/4/2023. All 4 vct solenoids were found to have malfunctioned. Issue began 06/2020 and involved car rough idling at stops or stop and go traffic. No codes were shown on dash. During episodes, car might shut off. It would turn on if car restarted again. Vehicle first seen at Ford dealer on 7/3/2020. No issue found. Follow-on visits on 3/11/2021, 10/25/2022, and 3/22/2023 brought no answers to issue. Car left at dealers for 2-5 days at a time.

20 Engine And Engine Cooling problem

Failure Date: 09/09/2019

My wife notice the brake lights were stuck one. Tired several different steps to see if the problem could be remedied. Such as starting the car, locking unlocking, nothing seem to care of the issue. After doing some research online on one of the Mustang forums there were a few people that had the same issue. It seems that there is a little white plastic button on the brake lever that depresses the brake light switch. This seems to dry and crack and fall off the pedal assembly ,see attached photos. So instead of letting the car set all day and drain the battery I had my wife drive the car home. On the way home she experienced a running issue the car seem to shutter would not go above 30 to 40 miles an hour. Fortunately it was all side roads on the way home. If this had happened going down the interstate it could've been a big problem. From what I've read apparently the car goes into limp mode? sensing that the brakes have been applied? from the research that I've been able to look into the little plastic button which is probably about two dollars to produce is not available separate. The only way that this can be replaced is a brake pedal assembly which I read is approximately $300 plus labor. Some people are purchasing a rubber clutch pedal bumper from Toyota and putting in place of the plastic one Ford had. My major issue is that if she was on the interstate in the car slow down to 30 miles an hour who knows what could've happened. I believe this to be a safety issue since the car does not run properly when this part fails. I've been told the replace pedal assembly has been upgraded from the original part.

21 Engine And Engine Cooling problem

Failure Date: 07/17/2019

The incident took place in last summer. My brake light switch pad broke into pieces while I was trying to merge into a city highway from a freeway. Suddenly I could only accelerate for 2 seconds whenever I step on gas, and I also noticed my brake light never stops even after I turned my car off. I almost got into an accident and got killed. This problem is a very common problem among new Mustang models after 2015. Ford is not doing anything, and they would charge you $200 for the whole brake assembly while I only needed a 50 cents plastic pad. My dad is a car mechanic, and he was surprised that a car in 2015 would have a such common problem in 90s.

22 Engine And Engine Cooling problem

Failure Date: 07/17/2019

Automatic transmission with v-6 engine. Transmission flex plate and torque converter was finally replaced by coast mesa Ford dealer after three years of complaining to h. B. Ford dealer. H. B. Ford also has over serviced the engine oil several times when complaining about the noise. No root cause was given for the replacement of flex plate and torque converter replacement. Is there a Ford recall to grease tip of hub of the torque converter? end.

23 Engine And Engine Cooling problem

Failure Date: 06/03/2019

I was driving on the highway at about 65 miles per hour. I went to accelerate and heard and felt a loud boom. The car shuttered and smoke began to pour into the car. I slowed down and pulled over to the right shoulder of the freeway. I cut the car off and couldn't restart it. The bay area freeway service patrol stopped to tow me to a safe area. The technician said there was oil all over the road and back of the car. Car was towed to the nearest Ford dealership. The inspection found a cracked engine block. The car has 74,000 miles on it and Ford is unwilling to help because there was no warranty on the vehicle.

24 Engine And Engine Cooling problem

Failure Date: 02/21/2018

The contact owns a 2015 Ford Mustang. The contact stated that while driving at an undisclosed speed, the engine just failed in the middle of the highway. The vehicle was towed to the dealer, where it was diagnosed with engine failure and needed to be replaced. The vehicle was repaired, but the contact stated that the engine has been replaced six times since the contact purchased the vehicle in 2018. The manufacturer was made aware of the failure. But stated they would replace the engine but not  the vehicle. The failure mileage was approximately 82,000.

25 Engine And Engine Cooling problem

Failure Date: 12/09/2017

Ford invented a new grill shutter and in 1 1/2 years its broke . They now say it not there fault and $1,100 to replace there defective design .

26 Engine And Engine Cooling problem

Failure Date: 11/07/2017

The contact owns a 2015 Ford Mustang. While driving approximately 70 mph, the driver approached heavy traffic, but the brakes did not slow down the vehicle. The driver used the emergency brake to slow the vehicle down. There were no warning indicators illuminated. The vehicle was taken to the dealer (fort mill Ford in fort mill, SC, 803-948-8202) where it was diagnosed that the booster block needed to be replaced. The vehicle was not repaired. The vehicle was towed back to the contact's residence. The vehicle was later taken to an independent mechanic who diagnosed that there was a blown head gasket. The manufacturer was made aware of the failure and stated that there was no recall. The contact received notification of NHTSA campaign number: 16v643000 (latches/locks/linkages). The failure mileage was approximately 66,000.

27 Engine And Engine Cooling problem

Failure Date: 10/15/2017

Tl- the contact owns a 2015 Ford Mustang. The contact stated that when turning on the vehicle air came out from the air conditioner and a foreign object projected out. The contact sustained injuries. The vehicle was not towed. The vehicle has not been diagnosed or repaired. The manufacturer was notified and informed the contact to have the vehicle diagnosed and provided NHTSA number to contact. The failure mileage was approximately 51,000. Jc.

28 Engine And Engine Cooling problem

Failure Date: 02/01/2017

Rodents have been chewing on the wiring under the hood. I feel this is due to the soybased wiring coating that is being used on newer vehicles. 1st incident. The ac wiring was effected. 2nd incident 2 weeks later engine wires were chewed up. This seems very similar to the current Honda rodent issues that a class action lawsuit is currently filed for. The vehicle was parked under my carport over night. It is a daily driver used everyday.

29 Engine And Engine Cooling problem

Failure Date: 10/01/2015

Tl-the contact owns a 2015 Ford Mustang . Fuel was leaking from the fuel tank. And the engine became inoperable. There were no warning lights illuminated. The vehicle was taken to chino hills Ford 4480 chino hills pkwy, chino, CA 91710 (909) 203-5700 where diagnosed that there was a hole in the fuel tank and engine the engine was replaced but the failure recurred. The manufacturer was contacted but did not assist. The failure mileage was 98,000. Ap.

30 Engine And Engine Cooling problem

Failure Date: 06/19/2015

Vehicle event while driving on the highway. While adjusting the air temp with my right hand, my pinky touched the start stop button causing the vehicle engine to shut down. I pulled to the side of the road to figure out what had happened and discovered that my car would shut down in drive by just touching the start stop button. The only way to restart the engine is to put the vehicle in park. It was safe for me, although I was in a line of traffic, because I was on a two lane road with shoulder room available. The seat did not return to the exit position. I am very careful now when making any adjustments to the controls cluster because of the closeness of the start stop button to the other controls. The switch also operates with very light pressure and its surface is convex. I do not let anyone else drive this vehicle in its current condition.

31 Engine And Engine Cooling problem

Failure Date: 06/12/2015

Car is experiencing a vibration problem at 65 to 75 mph, in 6 gear, and engine is at 1750 rpm. Vibration is duplicated again, in 5th gear, and engine is at 2500 rpm. Also, with car in the stop position, car in neutral, with clutch in or out, slowly revving the engine vibration occurs at 1500 to 1750 rpms. Also if you quickly rev the engine to 2500 rpm and drop revs slowly vibration reoccurs at 1750 to 1500 rpm. This problem has been present with initial purchase of vehicle, dealership said it was tires and drive it for awhile. The car has since been in the dealership 5 times, replaced all 4 tires, force road balanced 3 times, and has been to second Ford dealership for confirming vibration problem. Second dealership also had another new Mustang experiencing same vibration and could not be fixed. Ford motor company has declared the vibration problem is within specs for Mustangs and has declared it "normal operating characteristics" for Mustangs. At this point my case with Ford has been closed. If this vibration problem is occurring in 40 percent of Mustangs as a prior complaint has stated then Ford motors need to address it and not ignore it.

32 Engine And Engine Cooling problem

Failure Date: 05/01/2015

Purchased the car brand new Nov 2014. The 1st occurrence was around may or June of 2015 on a city street and I was slowing down while in 6th gear with the clutch pushed in and then I pulled the shifter into neutral. The run active power caught my eye and then there I also so the the rpm was on 0. I questioned myself on this 1st incident that maybe I did something wrong. 2nd incident happened sometime in sept 2015 and I was on another city street in 4th gear getting ready to come to a stop at a red light, with the clutch all the way to the floor I placed the shifter in neutral and I had a feeling that the car wasn't on anymore and looked at the gauges and saw that run active power was on again and rpm was on 0. This time I kind of started to suspect the car. 3rd occurrence happened June 11th 2016 and I was on a highway slowing down from 55 or so and push in the clutch to neutral and while rolling in neutral around 40 to 45 mph I saw the rpm go straight to 0 and at this point im convinced there needs to be a recall. All 3 incidents I quickly started the car back up while rolling. Also since I've purchased the car I've had the display randomly say that all of my drive modes are unavailable, traction control unavailable, hill assist unavailable, and a few more. 1st time I noticed that was while sitting in traffic, and 2nd time was on a random start up. I believe this could be a computer issue.

33 Engine And Engine Cooling problem

Failure Date: 03/25/2015

Instrument gauges, tachometer / speedometer are subdue no lighting during day light drivivng. Comes and goes. Safety hazard driver diversion. Engine will over-speed at 7,500 rpm and quit transmission will not shift out of first gear in drive. Ford has stated that the transmission is normal. Hasn't address the engine over speed yet. Gauge lighting has not been fix yet. Four times to Ford.

34 Engine And Engine Cooling problem

Failure Date: 01/01/2015

Front end.



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