Is your defective Ford F-150 actually a LEMON?

Find out in 30 SECONDS or less if it qualifies for a REFUND or a CASH SETTLEMENT.

Print this page

10.0

really awful
Crashes / Fires:
0 / 1
Injuries / Deaths:
1 / 0
Average Mileage:
8,417 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2021 Ford F-150 engine problems

engine problem

Find something helpful? Spread the word.
Get notified about new defects, investigations, recalls & lawsuits for the 2021 Ford F-150:

Unsubscribe any time. We don't sell/share your email.

2021 Ford F-150 Owner Comments (Page 1 of 2)

problem #39

Sep 062024

F-150

  • miles

A D V E R T I S E M E N T S

I-??ve had multiple -??service engine soon-?? errors appear while driving normal highway conditions. The same code appears on my mobile application as the following-?? Powertrain Malfunction / Reduced Power What Is Happening" Illuminates when the system has detected a powertrain or a four-wheel drive fault. What Should I Do" A Powertrain or All Wheel Drive (AWD)/Four Wheel Drive (4WD) fault has been detected, contact your authorized dealer as soon as possible. These codes have been noted on the following dates. 8-25-2024 and 9-6-2024

- New Braunfels, TX, USA

problem #38

Sep 022024

F-150

  • miles
Ford Motor Company (Ford) is recalling certain 2021-2022 Bronco, F-150, Edge, Explorer, Lincoln Nautilus, and Lincoln Aviator vehicles equipped with either a 2.7L or 3.0L Nano EcoBoost engine. The engine intake valves may break while driving, which can result in engine failure and a loss of drive power. My veh is experiencing this issue FOrd need to release the recall for repairs to be complete.

- Allen Park, MI, USA

problem #37

Sep 052024

F-150

  • miles
I've experienced the loss of power during hard acceleration. Right hand turns from a stop feel like the engine has stalled and rolling right hand turns are becoming increasingly more dangerous. Most recently as I was merging onto a highway. Pedal to the floor, the truck initi9ally accelerated for a couple seconds until it stalled to make the truck not only not accelerate but almost made it feel as if I was breaking. This is very dangerous.

- Houston, TX, USA

problem #36

Sep 042024

F-150

  • miles

A D V E R T I S E M E N T S

Cruising highway speeds, when accelerator is pressed to gain speed, make a pass, ect the transmission downshifts into 3rd gear, engine losses all power for 4-8 seconds while accelerator is held down. I-??ve almost been in several accidents due to expecting a vehicle to accelerate and nothing happening and traffic

- Summerfield, FL, USA

problem #35

Aug 242024

F-150

  • miles
My 2.7 Ecoboost motor failed while driving in traffic, Ford replaced the entire engine due to catastrophic failure of the valves, looks relative to recall Manufacturer Name : Ford Motor Company Submission Date : AUG 23, 2024 NHTSA Recall No. : 24V-635 Manufacturer Recall No. : 24S55 I am working with Ford now on a way forward, there were no symptoms prior to failure and the vehicle stopped immediately and was almost struck numerous times in traffic. I can attach Ford documents at a later time.

- Ofallon, IL, USA

problem #34

Apr 012024

F-150

  • 4,000 miles
The contact owns a 2021 Ford F-150. The contact stated that the vehicle was shuddering and jerking while driving. The check engine warning light was flashing. The contact stated there was another unknown warning light flashing. The contact stated that the soy-based wiring was causing costly repairs. The vehicle was taken to the local dealer, where it was diagnosed that the wiring in the undercarriage was chewed on. The vehicle was repaired, but the failure recurred a month later. The contact stated that while driving 35-?"40 MPH, an unknown warning light started to flash. The vehicle was taken back to the local dealer, where it was diagnosed and determined that the soy-based wiring had been chewed on by squirrels and chipmunks. The vehicle was repaired. The manufacturer was contacted and referred to the NHTSA Hotline. The failure mileage was approximately 4,000.

- Uniontown, PA, USA

problem #33

Apr 012024

F-150

  • miles

A D V E R T I S E M E N T S

Exhaust Heat Exchanger failure with Powerboost engine at 55k miles. This seems to fail on nearly all Ford F-150 Hybrid Powerboost engines. Ford does NOT cover this repair under the Emissions, Hybrid, or Ford Extended Service plan. This is a known failure they are not covering and is documented in NHTSA SSM 52050.

- Simpsonville, SC, USA

problem #32

Mar 302024

F-150

  • 150,000 miles
The contact owns a 2021 Ford F-150. The contact stated that upon attempting to start the vehicle, the vehicle failed to start. The check engine warning light was illuminated. The vehicle was towed to the dealer, where it was diagnosed with transmission and a battery failure. The vehicle was partially repaired. The vehicle remained at the dealer. The manufacturer was made aware of the failure and advised the contact to call the NHTSA Hotline to report the failure. The failure mileage was approximately 150,000.

- Rocklin, CA, USA

problem #31

Apr 222024

F-150

  • miles
Was slow rolling to stop light at intersection. Vehicle shut down and got an alert that said -??auto start stop shift to P, then restart engine-??

- Lexington, SC, USA

problem #30

Mar 082024

F-150

  • 77,000 miles
The contact owns a 2021 Ford F-150. The contact stated that while her husband was driving 15-20 MPH, the gears locked up. The contact stated that the check engine warning light was illuminated. The vehicle was restarted, and the check engine warning light was flashing. The vehicle was taken to the local dealer, where it was diagnosed that the cam phaser needed to be replaced. The vehicle was not repaired. The manufacturer was contacted and offered to cover 70 percent of the cost of the repair. The failure mileage was approximately 77,000.

- North Attleborough, MA, USA

problem #29

Nov 212023

F-150

  • miles

A D V E R T I S E M E N T S

--Exhaust leak, at left first band clamp downstream from catalyst --Safety is of immediate concern due to exhaust leak directly under driver seat --Local Ford dealership service dept did not fix leak --Exhaust leak was inspected and reported to local Ford dealer service dept- NOT fixed On 20 November 2023, I purchased a 2021 Ford F-150 XL, VIN: [XXX], from Crain Ford of Jacksonville, Arkansas, 1800 School Drive, Jacksonville, Arkansas 72076. Phone 501-436-4981. After driving the vehicle for a day, I noticed a fluid leak on my garage floor under the vehicle-??s engine area. On 21 November 2023, I took the vehicle to the dealership, which I bought the truck from, Crain Ford or Jacksonville, AR. They inspected the underside and found no leaks and suggested I just keep an eye out for any fluid leaks. The next week I kept watching for leaks, and each day I saw what appeared to be a fluid leak of some type or fluid on the floor of my garage. On 27 November 2023, I took the vehicle back t o the same dealership, Crain Ford, and I showed them a video of the leak I discovered. The video can be viewed at: [XXX] As the video shows, upon cold startup of the vehicle, you can see water leaking from the band clamp on the exhaust system just below the left catalyst. I fully understand that the fluid is water and is a byproduct of the combustion system and is normal. That is NOT the problem, the problem is, if water can leak out at the band clamp on the exhaust system, as shown, then so can deadly exhaust fumes right under the driver area. I showed the video to the Ford service dept foreman and he had a technician check the exhaust and assured me that the band clamps were at factory spec torque and they could smell or observe no leaks. I took the vehicle home. The next morning, there is still a deadly exhaust leak occurring at the band clamp on the exhaust pipe as I can see water dripping out, just as the first video showed INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

- Jacksonville , AR, USA

problem #28

Jun 152023

F-150

  • 31,000 miles
The contact owns a 2021 Ford F-150. The contact stated while stopped the vehicle was at a stop light, the vehicle displayed a message reading "Service Advanced Auto Track, " requiring the vehicle to be shifted into park and restarted. After restarting the vehicle, the vehicle returned to normal functionality, but the failure became a regular occurrence. The engine kill switch warning light was illuminated. The vehicle was taken to three individual dealers, who were all unable to duplicate the failure. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 31,000.

- Rosenberg, TX, USA

problem #27

Aug 112023

F-150

  • miles
3.3L V6 F-150 started to heavily vibrate when vehicle was started. Check engine light came on. Check engine code was cylinder 1 misfire. Coils and injectors were changed. It didn't fix the problem. Upon further investigation there was damage to piston. Full Engine replacement is required.

- Deposit, NY, USA

problem #26

Sep 152023

F-150

  • miles
Vehicle came to complete stop in traffic with warning light "stop vehicle" would not restart. Taken to dealership. Dealership replaced ecu and some switches to power bank and wiring harness behind headlight. Vehicle was returned 1 week later Drove it 2 days later for 10 miles same thing happened, Ford towed it to another dealership where they cleared codes, and they said they can't replicate, Vehicle was returned after a week. 2 days later I drove yo work and again iy happened stopped in middle of road blocking traffic. Was towed by Ford to dealership where they found over 20 codes, said they can't fix. Ford and selling dealer towed to selling dealer, where they cleared codes and said they can't replicate. I refused yo take Vehicle on fear of getting in severe crash when Vehicle stalls and dies in heavy traffic again. I signed title and sent it to selling dealer, they told me that fordwill not let them buy it back. Do I don't have my money or a truck now

- Cashton, WI, USA

problem #25

Oct 072023

F-150

  • miles
I was stopped at a red light at a busy intersection in an Atlanta suburb. I was several cars back from the red light. I saw the light turn green so I took my foot off of the brakes to engage auto start and barely tapped the gas and the truck dinged and showed me an error on the screen. I was so mortified and my heart started racing that I could barely read the error, all I remember seeing was "Shift to P." However, I tried to shift to Park and the shifter wouldn't do anything! I was desperately trying to engage the brake and shift to Park or Neutral and it wouldn't budge. I kept trying back and forth back and forth trying anything to get it to shift. It finally shifted to Park. I turned truck off. Opened the door, closed the door, and restarted engine and it had a slight hesitation but then let me shift down to Drive and proceed. Luckily, I had enough time to fix it before I started getting cussed out or honked at and possibly shot for having this happen on a busy intersection. My heart was beating so fast. So scary. I got home and connected my OBD scanner and no error codes were found. Sunny day, about 65 degrees, and truck had drive 55 miles to my Mom's a few hours before. This was on my way back to my house in Atlanta from my Mom's house an hour outside of Atlanta. I had no time to take a picture of the error on the screen because I was scared to death trying to get my truck to shift and drive. There was no reason for this error as I did not do anything differently. The auto start/stop engaged on its own when I come to a stop and then starts itself when I begin to depress the gas. Very concerning and I don't panic at all, but in this case...I sure did.

- Peachtree Corners, GA, USA

problem #24

Apr 272023

F-150 6-cyl

  • 2,966 miles
The contact owns a 2021 Ford F-150. The contact stated that while driving over a speed bump at approximately 15 MPH, there was a loud grinding sound coming from the vehicle before the vehicle lost motive power and stalled. The contact was unable to restart the vehicle and the vehicle was later towed to the local dealer. While at the local dealer, the mechanic diagnosed the vehicle and determined that the engine had seized and needed to be replaced. The mechanic stated that parts of the piston and valve spring retainer were found inside the oil pan. The engine was replaced, and the vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was 2,966.

- San Antonio, TX, USA

problem #23

Oct 032023

F-150

  • miles
I have notice on my truck as im driving and I engage the gas pedeal the engine doent repond. it takes a while for the pedal to kick in. this happens at random times as I drive but the hestiation is there.

- Mission, TX, USA

problem #22

Sep 112023

F-150

  • miles
Catastrophic engine failure that left vehicle disabled on Highway. Neither I or recovery technician was able to put into neutral after. Truck was powered on it was not possible to move the shifting lever from Park after it was engaged.

- Zephyrhills, FL, USA

problem #21

Jul 122023

F-150

  • miles
This is the 4th time since purchasing the truck that this event has happened with time having the most severe results. When shifting from reverse to park the shifter goes into park and jumps back into reverse. First event (after exiting the truck) the truck rolled into a shipping dock breaking a taillight and buckling the rear bumper. Next two I had one foot on running board and one foot in the truck ant was able to hit the brake stopping the truck. This fourth event one foot was on the running board and one on the ground. As truck went back the door flattened me to the ground and the front tires rolled over both of my legs. The truck rolled up an inclined parking lot, across a busy road and down a bank. I was driven by ambulance to the hospital and then transferred and airlifted to trauma center at Ruby Memorial Hospital. After the second event the local Ford dealer said they could not duplicate the event. The brakes do not hold even though they are depressed and set when the shifter is shifted.

- Reedsville, WV, USA

problem #20

May 192023

F-150

  • miles
Started with check engine light for cylinder 5 misfire and engine was running rough with loss of power. Took the truck to dealer and dealer reports compression loss as reason for engine failure. After doing some research there appears to be a major issue with the same engine (2.7 ecoboost) of the same year(2021) reported for the Bronco and F150 for catastrophic engine failure. I suspect this is the same engine failure that my truck experienced.

- Benbrook, TX, USA

Read the next 19 complaints »

Not what you are looking for?