2021 Ford Explorer: sudden loss of power

Filed Oct 10, 2026 · Engine · MI

Vehicle: 2021 Ford Explorer XLT - 2.3L EcoBoost I-4 VIN: [XXX] Odometer: 127,824 Date of failure: [XXX] Complaint Description: I am reporting a complete engine failure due to coolant intrusion on my 2021 Ford Explorer 2.3L EcoBoost. This is the known defect affecting 2016-2024 Explorer 2.3L engines. Independent shop diagnosis from attached receipt states: "Engine failure due to Head problem, which cylinder 3 + 4 and head in engine known for coolant intrusion. Cylinder Head failure, carbon build up plus Turbocharger also failure." Vehicle stored DTCs P0300, P0302, P0304, P0316 - random misfire and start-up misfire. Symptoms included rough idle on cold start, white smoke from exhaust, loss of power, check engine light. Mechanic confirmed coolant in cylinders 3 and 4 due to cylinder head failure. This matches Ford's own TSB process for coolant intrusion where if coolant is found, the long block must be replaced. Safety Risk: Loss of drive power, stalling, overheating. This occurred at 127k miles with regular maintenance. This is not wear and tear - this is the documented design defect where machining grooves in the head allow coolant to pool and leak into cylinders. I have requested Ford Customer Relationship Center (1‑866‑436‑7332) open a case for goodwill and check VIN for open recalls including 23S05 (PCM/10R60) and the June 2026 2.3L long block recall for roller finger failure. Ford has not yet issued a formal recall for coolant intrusion despite class action litigation. Request: the federal safety agency investigate and expand recall to include 2021 Explorer 2.3L EcoBoost coolant intrusion / cylinder head failures. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Jul 20, 2026 · Fuel system · CA

When i go to accelerate i lost power and then 2 seconds later car would finally go, this has happened several times getting onto freeway or just trying to pass and have almost been rear ended, i took car to dealer and no remedy available still 1 year later, my specific car has had several recalls which is ridiculos, i am not getting any help with my situation

Filed Jul 15, 2026 · Transmission · PA

Driving down road and lost power with grinding gears. Vehicle displayed warning on instrument panel briefly. Had to stop in middle of road and shift to park then drive to resume.

Filed Jun 22, 2026 · Fuel system · VA

While driving at highway speeds, the vehicle experienced a sudden and total loss of engine power and stalled in active traffic. I lost motive power and had to safely coast through traffic to the shoulder. The vehicle would not restart and had to be towed to a repair facility. The failure matches the exact symptoms of Ford Recall 25S75 / the federal safety agency Campaign 25V455000 for low-pressure fuel pump failure, but my VIN is currently excluded from the recall.

Filed Jun 7, 2026 · Acceleration, Engine · CT

While driving at highway speeds, the vehicle displays a "Drive Train Malfunction" warning message and the traction control warning light illuminates. Shortly after the warning appears, the vehicle loses power and may enter a reduced-power mode or stall, creating a serious safety hazard in traffic. This has occurred while traveling on the highway, forcing sudden deceleration and creating the risk of being struck by other vehicles. The check engine light is illuminated, and diagnostic code P0A1E is present. The problem is intermittent and unpredictable, making it difficult to determine when the next failure will occur. The vehicle has been taken to Ford for diagnosis multiple times, and significant money has been spent attempting to repair the issue. Despite these efforts, the root cause has not been identified and the problem continues to occur. This defect affects the drivetrain system and impacts the safe operation of the vehicle. The sudden loss of power on the highway places the driver, passengers, and surrounding motorists at risk. Based on discussions with other owners, this appears to be a common issue affecting Ford Explorer Police Interceptor Utility vehicles and warrants investigation by the federal safety agency.

Filed May 11, 2026 · Engine · CA

2021 Ford Explorer used a work vehicle (house cleaning business) and family vehicle after hours (driving my daughter to soccer practice 4 times a week). Vehicle has been professionally and properly serviced since we first purchased it in 2021( we have been the only owners). Car has worked great not one single problem other then regular things like tires, brakes and battery all purchased and installed by Ford dealership. The day of the incident the car was working perfectly the entire day. As I drove on the freeway taking my daughter to soccer practice in the evening. I noticed the vehicle started to shake and lose all power the vehicle stopped almost completely in a matter of seconds causing cars behind us to almost crash us from behind it was a miracle no one crashed into us as we were traveling at freeway speed 60-65mph. With the little power the car had I cleared 2 lanes and parked on the side of the freeway. A friend of our picked up my daughter as we were both frightened by the incident. The vehicle gave me no alerts that there was something wrong no warnings on the Ford pass app nothing. I had the vehicle towed to Walnut Creek Ford for inspection. Ford did a diagnostic and found that the engine had a hole from the head to the block. They don’t know how this happened and say they have never seen this before. They said the vehicle is in great shape inside and out and even with 160,000 the car is very well maintained (serviced). This needs to be addressed to Ford as lives were in danger and people could have gotten hurt. They want 13,000 to repair engine, but it seems to everyone(ford technicians and second opinion mechanics) it was an engine factory defect. Vehicle suffered catastrophic engine failure while driving on freeway with no warning from the vehicle system, check engine light never came on nothing. It all happened in a matter of seconds. Engine light only came on after the vehicle was no longer drivable.

Filed May 7, 2026 · Engine · ID

I own a 2021 Ford Explorer ST (3.0L EcoBoost) with 47,680 miles. The vehicle is exhibiting a severe metallic knocking noise at idle, a flashing Check Engine Light, and a dangerous loss of motive power while driving. A certified Ford dealership technician (Kendall Ford) diagnosed the vehicle with catastrophic engine failure, requiring a full engine replacement estimated at $13,000.My vehicle is exhibiting the exact mechanical failure described in Recall 24S55 (the federal safety agency Campaign 24V635000) regarding brittle engine intake valves. Although my vehicle shares the same build year, engine type, and failure symptoms as the recalled units, Ford states my specific VIN is not currently included in the 'repair' population.The sudden loss of engine power while operating at highway speeds creates an immediate crash hazard. I request that the federal safety agency investigate whether the scope of Recall 24S55 should be expanded to include this production range.Furthermore, Ford offered a 'goodwill' assistance of approximately $3,762, which I believe is an admission of a known manufacturing defect. At the time of this failure, the vehicle was only 17 days past the 5-year warranty period and well under the 60,000-mile limit. Despite this premature failure and the safety risk, Ford refuses to cover the full replacement, leaving me with a $9,000+ bill for a defect already acknowledged in 90,000 other units.

Filed Mar 12, 2026 · Suspension · TX

When driving to our local store I noticed my down shift to be rough, so I turned into the back roads, I heard lots of noise coming from the back of the vehicle and then I heard a loud pop and it was my rear axe differential bolt that snapped causing me to lose power.

Filed Dec 30, 2025 · Transmission · CA

When given gas to move from a complete stop, vehicle lost all power. After vehicle lost all power to rear wheels, warning lights flashed on cluster. Manually moved vehicle to side of road and checked under SUV to see rear axle was at a unusual angle and later discovered rear axle bolt on road. Vehicle was towed to dealership, which originally completed recall repair in July of this year, for this known issue. Repairs have been completed after 2 weeks, and was informed by dealership it was roughly 6 thousand in damages.

Filed Jul 15, 2025 · Acceleration, Fuel system · MI

my explorer has a 10 speed transmission, and its REALLY heavy on shifting like it is missing shifts or slipping, it will shoot up in rpms to the 7-8k mark and jerk forward, this will happen every few minutes when varying speed, driving through residential areas or normal trafficways not including the highway, however on the highway it has a tendency to feel as if it loses power and regains it, dropping rpms and shooting back up to 4-5k rpm, and dropping back down to around 2k. today i had the incident where the car jerked hard after a shift, gave me prompts on the dash about seeing the manual, and that drive modes are not available. this has happened in the past month before multiple times, however this time i lost all power to acceleration going down the road, ended up just coasting to a stop on a road that speed limit is 55 mph. this made me panic, because i could have possibly been rear ended, or in any other case could have been hit if my car would not have properly been able to accelerate. the car has had similar problems reported from previous owners and they have been taken into a dealership for repairs of which did not fix the problem or the problem is reoccurring. there are no warning lamps prior to the jerkiness of shifting and loss of acceleration because of it. it will jerk a handful of times and eventually give me the "see manual" prompt after the initial problem was noticed, i decided to look online for answers as to what was wrong and it seems like this is a reoccurring problem with vehicles similar to mine. Hopefully it hasnt caused and injuries, but it definitely has the possibility to from what i have experienced.

Filed Jun 25, 2025 · Transmission · MD

Transmission failed while driving leading to a sudden loss of power. Vehicle was hard to control after incident causing other vehicles to swerve around. Vehicle was taken to Ford dealership where it was recommended for a total transmission replacement due to internal transmission components that failed.

Filed Mar 25, 2025 · Engine · WI

We were driving the vehicle when we experienced a sudden loss of power and acceleration. We also noticed odors of gas. We took it to a Ford authorized dealership and they said it was due to antifreeze in the oil from what they said was a leaking water pump. They recommended a new engine due to the difficulty of changing the internal water pump and the fact it leaked antifreeze into the engine oil, possibly damaging the engine itself. This was the explanation for the fault codes, random gas odors, and loss of power. It was explained this was normal when the sensors detect something wrong with the oil in the engine. Estimated cost provided by the dealership was $11,000 to replace the engine.