Engine And Engine Cooling Problems of Ford F-150 - part 2

The contact owns a 2018 Ford F-150. The contact stated that while driving 55 mph on the highway, the vehicle lost motive power, and the brakes became inoperable. The drivetrain and wrench symbol were displayed. The abs warning light was illuminated and dtc: u100 (failure of communication for engine and transmission) was displayed. The codes were cleared after restarting the vehicle. The vehicle was taken to the local dealer, where it was diagnosed with a communication error with the engine and transmission computer. The vehicle was repaired, but the failure reoccurred. The transmission upshifted from first gear to seventh. After a while, the vehicle resumed normal operations, but then the vehicle drove abnormally. The rpm increased to high, and the temperature gauge was at hot. The vehicle was taken back to the dealer and was diagnosed with complete transmission failure. The vehicle had not been repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 62,513.

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Took my 2015 Ford f150 XLT 4x4 to peoria Ford for safety recall, they requested 30000 mile maintenance. I agreed. Upon picking up vehicle service advisor informs me engine light was on, it was safe bring it back when I have more time. They had my vehicle from July 13, 915am till that July 15, 545pm, closing at 6pm. On the way home almost had an accident,truck still shifting down bad and powertrain light came on. Made it home tried calling, they were closed. Reported incident to bbb and attornet general.

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Ford motor company put out a recall on the pcm. I had the recall performed and it has caused more damage to my truck. It now has eratic shifting, stuck gears, and going into limpmode. Ford forums show that this is an ongoing issue after the reset is performed creating an unsafe vehicle to drive. The check engine light is now on and was not prior to this recall reset.

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I was driving on the highway speed limit 65, and all of the sudden it down shifted to first gear, jerking the truck almost to a complete stop, very scary and unsafe. I pulled over to recoup myself . It is now happening more frequently, wrench light on the dash . Not sure what I need to do , my truck is my life support for me and my family! help me please! thank you,.

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The contact owns a 2015 Ford F-150. The contact was notified that the VIN was included in an unknown recall, and the vehicle was repaired under the recall; however, while stopped at a red light, the vehicle stalled. The check engine warning light was illuminated. The vehicle was taken to a dealer where it was diagnosed and determined that the valve body and several other unknown components needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 120,000.

I purchased my 2017 Ford F-150 raptor in October 2017. On December 27, 2019, at 27,775 miles, the cam phasers were replaced under warranty using Ford part numbers beginning with hl3z. In June 2026, at 74,665 miles — fewer than 47,000 miles after that repair — I began experiencing the same cam phaser symptoms (rattle/knock at cold start and idle) that led to the original repair. At no point was I notified by Ford or my dealer that the hl3z parts used in my 2019 repair were known to have the same defect as the original phasers, despite Ford having since transitioned to an updated part (ml3z) referenced in its own customer satisfaction program documentation (csp 21n03 and supplements #1–4). I contacted Ford customer service in July 2026 requesting assistance with the recurrence and was told no help would be provided. I am concerned this failure can progress to loss of engine power or a more serious failure while driving, based on the known failure pattern of this component. The repair is labor- and parts-intensive, creating a significant cost burden for a defect Ford appears to have known was unresolved by the original repair parts. Reference documentation: ssm 48272, TSB 20-2191, TSB 20-2315, csp 21b10, csp 21n03 (and supplements #1–4), TSB 23-2143.

Component; likely the transmission safety revs went to almost zero on highway. Transmission seemed to stop the truck. Then intermittent on and off transmission. Seriously struggled to get the truck off the highway momentarily no ability to control speed: then on and off with the acceleration. Very scary! sudden drop in speed on the highway could have caused an accident with no brake lights on problem been reproduced: not to my knowledge. Its at a dealer now. Not safe to drive been inspected: at dealer now prior warning - lamps etc: none whatsoever oil lamp came on, then the check engine light came on well after the initial scare.

Made a complete stop and vehicle accelerated at a high rate of speed and could not stop.

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The contact owns a 2021 Ford F-150. The contact stated that the vehicle failed to start whenever the outside temperature was hot. The contact stated that the vehicle stalled. The vehicle started and then shut down. There were no warning lights illuminated. The local dealer was contacted and informed the contact that parts for NHTSA campaign number: 25v455000 (fuel system, gasoline) were on backorder. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 65,000.

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When accelerating from first to second gear, there is a power boost into second gear whether I want the power or not. Example: if I am turning I am not accelerating but my engine will continue to go up in rpm’s and make me go into second gear. Dangerous.

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The contact owns a 2019 Ford F-150. The contact stated that upon starting the vehicle, there was an abnormal rattling sound coming from the engine. The contact stated that the failure ceased after the engine had been running for several minutes. There was no warning light illuminated. The dealer was contacted; however, the vehicle was not diagnosed. The manufacturer was notified of the failure. The failure mileage was 70,000.

Engine has cut off while driving on several occasions. An accident nearly occurred as a result on at least 2 occasions.

We purchased a used 2020 f­150 in late summer 2024. We brought it in for issues in November 2024, but the Ford dealership found no repairs were needed. We returned in March 2025 when the cdf drum failed requiring a transmission rebuild, a known issue with technical service bulletin but not a recall. The engine continued consuming oil after this despite Ford completing all applicable service bulletins and advising there was nothing further to do. We took the vehicle in for service in may, 2026 and were told they had already updated software to address the oil consumption and we were told that should resolve the issue. On June 30, 2026, the truck was towed to the dealership after repeated stalling and a check engine light. The dealership again acknowledged this is a known issue with this engine - the valve seals are defective yet they had stalled our concerns so long at this point, we were past the warranty period. We researched and found this was a widespread, known issue asked whether Ford would offer customer loyalty assistance after 30 years of Ford ownership. We were told the truck's approximately 118,000 miles exceeded the assistance threshold. The engine replacement was quoted at $15,000. Ford advised us to repair the engine and save our receipt in case they should issue a recall at some point in the future. Given the value of the truck was $15,000 we chose not to keep investing in this vehicle and sold it for parts at a loss.

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Truck has just started misfiring out of the blue, have had Ford dealerships look at it, have changed all 6 spark plugs and one ignition coil. The recall NHTSA 2025-366 may be the reason, it states there still is no remedy for this, recall was issued 1 year ago, July 2025. I need this remedy.

Engine shut off at 60mph on mountain road. No warning, noise or other indications. Warning appeared once engine shut down; instructed to stop and restart vehicle. All temps and pressures were in normal operating range at time of shut down. Wrestled vehicle to a stop, towed home (midnight) and then towed to dealership next morning. Safety at risk with vehicle shutdown at 60mph, fortunately no traffic and shoulder was available. Motor is available at the dealership, has been inspected and diagnosed as complete engine failure, engine seized with no know/visible cause without extensive teardown.

Driving on freeway 10 speed transmission failed - hard knock and jerk, almost got in an accident. Gears 6-9 dead. Apparently this 10-speed transmission is a known issue, with many technical service bulletins issued, class action lawsuits, and angry customers. Ford refuses to issue a recall and the NHTSA refused to hold them to account. Something is broken - how can Ford make such a known, terrible important component to a vehicle that fails regularly - yet get away with it? I thought the NHTSA was supposed to protect us from these unsafe vehicles?.

Knocking noise coming from engine. Only 1900 miles.

Cam phaser rattle, infamous in many Ford models. The 2019 eco boost is very known for this sound and issue, Ford has offered temporary resolutions and assistance before but no permanent fix. This issue affects hundreds of thousand of Ford models and is quoted at a $5,500 job by many dealers. Ford owners are aware of the issue and so are Ford dealers. It is no longer a temporary issue and is long overdue for a recall.

Ford has a known issue with the 2019 f150 eco boost cam phaser rattling. They replaced once and it failed again. They now refuse to repair the fix that should have corrected the initial cam phaser issue. They continue to use faulty parts.

Had the truck 4 weeks from dealer and it was 5 quarts low on oil!! got oil change. Another month passes and it was almost 2 guards low. Took it to shop they can’t find a leak. Another month passers and it’s 1. 5 quarts low again! every month have to put 1. 5 to 2 quarts in it!!! have not even had it 6 months yet! must be a lemon!!!.

The contact owns a 2015 Ford F-150. The contact received notification of NHTSA campaign number: 26v237000 (power train); however, the part to do the recall repair was unavailable. The local dealer was contacted, and it was confirmed that the part was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact stated that while driving approximately 60 mph, the transmission failed to shift out of 5th gear, with the check engine warning light illuminated and the wrench warning light was activated. The vehicle was driven to the local dealer who diagnosed with leadframe failure. The vehicle was not yet repaired. The failure mileage was 183,000.

Description vehicle emissions control information veci label updatedescription on your vehicle, the integrated park module ipm may not properly engage the park pawl, preventing the vehicle from locking into park when park p is selected. If this condition occurs, a wrench light and shift system fault message will be displayed in the instrument panel cluster. Additionally, the vehicles electronic parking brake epb will automatically apply. Safety risk if the park pawl is not properly engaged and the electronic parking brake epb is not applied, your vehicle may experience a roll-in-park, increasing the risk of a crash. Remedy software is available to repair your vehicle. Ford motor company has authorized your dealer to update your vehicles secondary on board diagnostic module c sobdmc software free of charge. Next steps contact your dealer for more information to schedule the free service.

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Over the years the engine has felt like it was slipping or stalling. It appears to be increasing more. Sometimes it happens while cruise control is on. Today, the engine slipped for a prolonged time, more than usual, and then rpms decreased. Warning sign of a “wrench” appeared on screen and said see manual. I was also unable to put vehicle in reverse. Slips more at lower speeds when accelerating.

85,000 miles tam phaser and timing system fail along with misfires fuel injector. At 115,000 miles engine failure on the freeway.

Valve train failure.

While traveling at cruising speed (70 mph) on interstate 95 south, the vehicle suffered a catastrophic electrical and mechanical failure, resulting in an immediate engine stall. The vehicle lost all propulsion. Due to the sudden loss of power, the vehicle could not safely clear the active lanes of traffic, coasting to a stop near an exit ramp and dangerously blocking highway traffic. Upon attempting to restart the vehicle to move it out of harm's way, the vehicle emitted a rapid clicking noise and again stalled out. Because this vehicle utilizes an electronic shift-by-wire system, the total power failure permanently locked the transmission into "park. " the vehicle could not be shifted into "neutral" or "drive" to be pushed safely off the road. This total vehicle failure created an immediate, life-threatening hazard for the occupants and surrounding motorists on a high-speed interstate, requiring emergency police intervention to manage traffic until a flatbed tow truck arrived.

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The contact owns a 2016 Ford F-150. The contact stated that while driving approximately 55-60 mph, the park, neutral, and drive lights started to cycle and flash. The transmission unexpectedly downshifted to first gear with the check engine warning light illuminated, and the vehicle stalled. The local dealer was contacted about NHTSA campaign number: 26v237000 (power train); and confirmed that parts were not yet available for the recall repair. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 162,009.

I was on the highway and my truck suddenly decreased speed rapidly. Luckily I was able to pull onto a side road and get to safety but it was extremely dangerous and scary situation. The dealer has confirmed the symptoms fit the issue with the recall. Since Ford does not have a fix for this solution yet until July 1 my vehicle is unable to be driven or repaired leaving me stranded without a vehicle. However, this is a very concerning safety issue and my family could have been severely impacted traveling on the highway.

Misfire at 51000 miles and told it was 2 cracked spark plugs.

A very weird chirping noise; really bad when I start truck then it calms down but I can hear it while driving. I took it to my auto mechanic shop & they said both exhaust manifolds are warped & need replacing. I bought this truck January of 2020 & I’ve spent a small fortune on it. I owned a Chevrolet silverado for 14 years & never had issues like this truck has had. After researching info it appears this is an ongoing issue with these trucks. Ford should be responsible!!.

The truck exhibited the abrupt downshifting upon driving out of the parking lot, this caused great stress and possible accidents to me and family. The transmission continued to get worse and we were in fear of our lives to drive the vehicle on the highway. Once we got the vehicle home it literally would not shift into gear and has been disabled since the first week in xxx. We are plumbing and heat contractors and have lost a great deal of business due to not having a truck/this truck to use for work. We had it towed to greico Ford in [xxx] on advice from keith, the service mgr. We know the recall is due in xxx. This dealership is now trying to tell us that all the hoses are damaged and wants to charge us $2,000 to repair the hoses. We obviously don't want to do this since we believe the violent jarring and downshifting of the transmission caused by this mfg defect probably caused this and a lot more other problems. Mfg recall #26s28, NHTSA recall# 26v237. I need to know when this recall remedy will be submitted and what are my rights to get this fixed? information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Vehicle makes a grinding noise on gear change on 6 speed automatic transmission due to abrupt speed changes. Seems like changes in gears suddenly. It almost caused me to crash my truck .

Excessive oil consumption. I have to check and refill every single week since I drive over 100 miles/day, it is ridiculous how much oil burns. Transmission at high speed acts very erratic, when downshifting is like it doesn't know what do do and when it finally decides to down shift, it kicks so hard that feels like it's going to brake in pieces, even at low speed the shifting is very hard, not smooth at all. Radio carplay is useless, every time I try carplay, it works but I am not able to use the volume, so I have the feature but can't use it.

The variable camshaft timing (vct) phasers on my 2018 Ford F-150 3. 5l ecoboost have failed, resulting in violent, un-commanded camshaft movement within the engine. The vehicle is currently in my possession, and the failed components are available for inspection upon request. This failure puts my safety and the safety of surrounding motorists at extreme risk. The internal locking pins inside the cam phasers have degraded, which introduces excessive slack and erratic force against the engine's timing chain. If the timing chain jumps a gear or breaks due to this violent movement,a known consequence of ignored phaser rattle. The engine will suffer catastrophic internal damage. This will result in an immediate, sudden loss of motive power at highway speeds, leaving the vehicle completely stalled and un-drivable in moving traffic without warning. The problem is actively reproducible on every cold engine start, characterized by a harsh, metallic rattling noise lasting several seconds until oil pressure builds. Approximately two weeks ago, I contacted Ford corporate customer relations to escalate this issue. During that call, Ford informed me that these exact cam phasers were already replaced in 2021 at liberty Ford of fayetteville, nc. The fact that a critical engine timing component has failed twice on the same vehicle indicates a deeply flawed, inherently dangerous design. Ford's prior attempts to remedy this through customer satisfaction programs 21b10 and 21n03 clearly did not provide a permanent or safe resolution. Aside from Ford corporate reviewing the VIN service history, the vehicle has not been inspected by police, insurance representatives, or an independent investigator. The primary and immediate symptom warning of this mechanical failure is the severe metallic clicking and rattling noise upon engine ignition. I am urging the NHTSA to investigate this recurring defect, as it poses a severe and unpredictable sudden-stall hazard for thousands of drivers.

I experienced a sudden coolant leak on my 2017 Ford f?150 equipped with the 3. 5l ecoboost engine. The Ford dealership diagnosed the issue as leaking turbocharger coolant lines. The coolant was leaking in the turbo area and dripping onto extremely hot exhaust components. This creates a risk of rapid coolant loss, overheating, loss of power while driving, and potential engine compartment fire. The Ford service advisor told me directly that he has “seen this many times,” which indicates this is a recurring failure on ecoboost engines and not normal wear. This suggests the coolant line design or fittings may be defective and failing prematurely. The repair estimate was extremely high because the dealer included replacement of both exhaust manifolds. This failure occurred without warning. If the coolant loss had happened at highway speed, it could have caused sudden engine overheating or power loss. I am requesting NHTSA investigate turbo coolant line failures on Ford ecoboost engines due to the safety risk of coolant leaking onto hot turbo and exhaust components.