2016 Jeep Wrangler engine problems

ENGINE

My 2016 Jeep Wrangler will buck and jerk when on the highway. I’ll be going a steady speed, not changing speed. I feel the car slow down and stomp on the gas but it goes all the way to the floor and nothing happens. When I try to go into the break down lane, the steering wheel locks up and won’t turn. Usually I take the key out then put it back in the ignition and it starts no problem. Recently, the engine has been stalling when I put the key back in the ignition. I usually have to take the key out and sit on the side of the highway for 5 minutes before starting it up with no problem. This has happened too many times than I’d like to admit. Take it to the shop, no codes come up. Sometimes the engine light will turn on when this happens, other times it doesn’t.

NHTSA complaint #11748098 — an unverified report by a vehicle owner.

ENGINE

Anti-Lock Brake System stopped working rendering the car inoperable. The first incident: about 5 years ago the ABS engaged the brakes while driving almost causing a collision. This incident occurred in Guaynabo, PR. After this incident the ABS Module stopped working but the car was still operable. A week ago the PCM lost communication with the ABS module bringing the car into "limp mode" (stuck in 3rd gear until y did not longer engaged the transmission. Also the speedometer stopped working.) This happened while driving on a Sunday on busy road. This has been a common issue with Jeep Wranglers made from 2012 to 2018. The company at this moment is not producing replacement parts (ABS Modules) for these vehicles leaving owners without any way to fix or use their cars. ABS Module DTC's: -C2200 -U0100 -U0141 -U0126 -U0002 While scanning the module comes and goes offline.

NHTSA complaint #11721623 — an unverified report by a vehicle owner.

ENGINE

Head gasket failure, causing motor to overheat.

NHTSA complaint #11719334 — an unverified report by a vehicle owner.

ENGINE

Unsafe Vehicle, Unresolved Mechanical Failures – Serious Safety Concern On [XXX], I purchased a Jeep (VIN: [XXX] ) from Whipple Auto Sales. Since the purchase, the vehicle has experienced repeated mechanical failures that have created serious safety concerns. Approximately two weeks after purchase, the dealership replaced a fuel injector due to performance issues. About one month later, the vehicle began showing sensor codes and experienced sudden power loss while driving. On [XXX] the vehicle completely shut off while I was traveling on the highway, placing my safety at significant risk. The dealership initially stated that the key required reprogramming. However, after keeping the vehicle for approximately one month, they were still unable to repair the issue. The dealership later claimed the problem was related to the powertrain. Without resolving the issue or providing proper notice, they returned the vehicle to my residence in worse condition than when it was left with them. At this time, the vehicle is unsafe and unreliable, and I cannot confidently operate it. This situation demonstrates a lack of proper repair, accountability, and resolution. I am extremely concerned about the safety and reliability of this vehicle and the dealership’s handling of this matter. I am seeking a proper resolution to this issue. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA complaint #11718635 — an unverified report by a vehicle owner.

ENGINE

My 2016 jeep wrangler jk will just stop running all power is lost, it's happened on the freeway as well as around town multiple times.. I get no codes. Once I can pull off the hiway it has always started back up after removing key and placing key back in ignition it starts again.. but it's has happened several times.. my wife and kids a to afraid to drive for fear it will happen again.

NHTSA complaint #11710238 — an unverified report by a vehicle owner.

ENGINE

Oil cooler/filter housing leaking oil and coolant.

NHTSA complaint #11657532 — an unverified report by a vehicle owner.

ENGINE

Oil Cooler leaking after multiple replacements causing engine stall while driving and lots of burning and smoke potentially leading to fire.

NHTSA complaint #11651227 — an unverified report by a vehicle owner.

ENGINE AND ENGINE COOLING

The contact owns a 2016 Jeep Wrangler. The contact stated that while the vehicle was parked in the garage, the contact became aware of an oil leak. The contact stated that the leak was small. There were no warning lights illuminated. The vehicle was taken to the local dealer, where it was diagnosed and determined that the engine oil cooler needed to be replaced. Additionally, the contact had previously replaced the thermostat at an independent mechanic due to the parts being on backorder. The contact stated that the failure might be due to the cold temperatures. The vehicle was repaired, but the failure recurred. The manufacturer was not contacted. The failure mileage was approximately 43,000.

NHTSA complaint #11650203 — an unverified report by a vehicle owner.

ENGINE

My vehicle would not start, leaving me in the freezing cold after a 10 hour shift at work. After having the vehicle towed to a service center & a week of inspection, I was notified that the engine had siezed up & needed replaced. The engine oil, front & rear differential, & transfer case fluids had just been changed a week prior. There was no engine warning light prior to this event.

NHTSA complaint #11644418 — an unverified report by a vehicle owner.

ENGINE

I recently had my oil changed about 3 weeks ago from today. Three (3) days ago, while I was driving, my engine lamp came on and my engine began to run hot. I didn't understand why given that I had just got the oil changed. I pulled to the side of the road and turned the car off to allow it to cool down. It would not crank and I had to have it towed to the auto shop to be serviced which is where they told me that the engine needed replacement.

NHTSA complaint #11641911 — an unverified report by a vehicle owner.

ENGINE

Driver had 50,000 miles maintenance service scheduled when the engine light went on a week prior to the service date. Therefore she asked the mechanic to do a diagnostic check on engine and mechanic at the Jeep dealership reported list of problems which solutions found which include: Replace Thermostat and holding Replace Vacuum Pump Replacing U-Joint Replacing All Ball Joints Replacing Front Axle Seals Replacing Both Shocks Replacing Engine Oil cooler Driver has been working from home for 6 years and the wrangler is driven on weekends and never done off roading. Jeep was purchased new in 2016.

NHTSA complaint #11641574 — an unverified report by a vehicle owner.

ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PIPES, HOSES, AND FITTINGS

The contact owns a 2016 Jeep Wrangler. The contact stated while driving at an undisclosed speed, there was a significant amount of smoke coming from underneath the hood and entering the cabin of the vehicle through the A/C vents. The contact stated that the failure had occurred while her one-year-old child was inside the vehicle. The check engine warning light was illuminated. The vehicle was taken to McCoy's Auto Repair, where it was diagnosed and determined that the oil filter housing was fractured and needed to be replaced. The vehicle was not repaired. The dealer and the manufacturer were not notified of the failure. The failure mileage was approximately 150,000.

NHTSA complaint #11636280 — an unverified report by a vehicle owner.

ENGINE

The contact owns a 2016 Jeep Wrangler. The contact stated that there was an unknown liquid leaking underneath the front of the engine compartment. There was no warning lights illuminated. The vehicle was taken to a certified mechanic who diagnosed that the oil filter housing assembly had fractured and needed to be replaced. The oil filter housing had been replaced. The manufacturer was made aware of the failure and confirmed that there were no recalls on the VIN for the failure. The manufacturer referred the contact to the NHTSA Hotline to report the failure. The failure mileage was 73,000.

NHTSA complaint #11630507 — an unverified report by a vehicle owner.

ENGINE

Vehicle cel for misfire. Replace plugs and coils. Still happens. Dealership says it needs a new engine? My research shows that this is an extremely common problem with Jeep engines. I am aware of a class action suit regarding this issue. I’m not sure of the status. Vehicle has just under 129k miles and is therefore out of warranty. Jeep/FCA knew these engines had problems and continued to sell them without disclosing the highly likely problems ownere would encounter.

NHTSA complaint #11587986 — an unverified report by a vehicle owner.

ENGINE

On multiple occasions, while operating my vehicle on the freeway, I have encountered a highly alarming problem. The engine of my car has unexpectedly shut off, resulting in a sudden loss of power and control. This has happened when driving between 45-75mph. This has placed me and other road users in extremely dangerous situations, as it has occurred at high speeds where maneuvering and reacting swiftly are essential. I have taken immediate action to have the issue investigated and resolved by authorized service centers. However, despite their efforts, the problem persists, leaving me deeply concerned about the reliability and safety of my vehicle. This recurring issue indicates a potential flaw in the design or manufacturing of the engine or related components.

NHTSA complaint #11570159 — an unverified report by a vehicle owner.

ENGINE

ENGINE OIL COOLER WENT OUT AND MY MECHANIC WANTS $1100 TO REPAIR!! SAYS THEY ALL GO BAD EVENTUALLY START LEAKING OIL VERY BADLY!!!!!

NHTSA complaint #11566098 — an unverified report by a vehicle owner.

ENGINE

Started getting a loud ticking sound on driver side of engine . Took it to an auto mechanic he said it my left side head rocker arms making the noise. He also said Chrysler 3.6l Pentastar engine are known for this problem.

NHTSA complaint #11542355 — an unverified report by a vehicle owner.

ENGINE

The contact owns a 2016 Jeep Wrangler. The contact stated while starting the vehicle, there was an abnormal sound coming from the vehicle. The contact stated no warning light was illuminated. The contact took the vehicle to the local dealer but there was no failure found however, the dealer performed an oil change. The vehicle continued to experience the failure with the abnormal sound being more pronounced. The contact took the vehicle to an independent mechanic to be diagnosed. The contact was informed that the cylinders needed to be adjusted. The vehicle was not repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 93,000.

NHTSA complaint #11536008 — an unverified report by a vehicle owner.

ENGINE

By way of introduction, I am a seventy-five year old retired Arizona Highway Patrol officer, having left that service in 1992. In October 2016, I purchased new, a Jeep Wrangler Unlimited Rubicon from York Chrysler in Prescott, Arizona, VIN: [XXX]. Sometime after the purchase, the vehicle began to have a disturbing, recurring problem. While in normal operation, the engine will stop. It is as if the ignition has been turned off. The drill I have developed is, while the Jeep is coasting, to shift to Neutral, re-start the engine, shift to Drive, and proceed. Sometimes, the Check Engine Light activates, and sometimes, although less frequently, this is accompanied with the Electrical Stability Control (ESC) Off indicator light. The first time I documented the phenomenon with a visit to the dealership was 17 May 2023. However, I believe that the problem had happened several times prior to that date. Since then, the vehicle has exhibited this problem numerous times; sometimes at a stop, more often while proceeding in normal operation. The engine has stalled several times on the Phoenix, Arizona, freeway system during heavy traffic. Today, the engine stalled again, but would NOT re-start while coasting. I was forced to come to a complete stop, shift to Park, re-start, shift to Drive, and proceed. Often after a re-start, the transmission has difficulty in going into gear, even while in Drive. I have been advised at the dealership that the problem has occurred many times, to many drivers, but that Chrysler cannot diagnose the problem, and thus can’t fix it. Logic suggests that if a collision has not yet been precipitated by this condition, it surely will be… I have discovered that a class-action suite is being considered. Chrysler must be very aware of the problem, yet is effectively forcing owners of the affected vehicles to operate unsafe Jeeps on the public streets. In my opinion, the Federal Government needs to intervene with a mandatory recall. INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (

NHTSA complaint #11529106 — an unverified report by a vehicle owner.

ENGINE

As I drive, the car loses the ability to accelerate. It then passively stalls and the automatic steering locks up. All electrical inside the car still stays on. I put the car in park and it restarts on the first key turn. It has happened up to 3 times in a trip, but it is inconsistent when it happens (not necessarily every trip and not at specific speeds (it happeneded going 70 on the highway as well as going 25 in a neighborhood)). When I brought it to the dealership. I was told unless they could make it happen, they couldn't fix it. They also said even if they could make it happen, they couldn't be sure what it was. The onboard computer that sends error codes indicated different things that have been replaced (computer parts, sensors) and nothing has worked.

NHTSA complaint #11525150 — an unverified report by a vehicle owner.

ENGINE

Internal manual transmission problem. Cannot put jeep in 3rd gear. Burning smell

NHTSA complaint #11521787 — an unverified report by a vehicle owner.

ENGINE

75,000 MILES, ENGINE TICKING ON COLD START, ENGINE LIGHT FOR CYL 2 MISFIRE, ENGINE CHUGS AND HAS LOW ACCELERATION. DEALER REPLACED ROCKER ARM UNDER OWNER'S EXTENDED WARRANTY. DID NOT FIX PROBLEM AND NOW ARE DISASSEMBLING ENGINE. READ MANY OTHER CUSTOMERS WITH SAME PROBLEM, CLASS ACTION LAW SUIT IN PROGRESS. MANUFACTURER KNOWS ABOUT PROBLEM BUT WILL NOT TELL OWNERS.

NHTSA complaint #11518067 — an unverified report by a vehicle owner.

ENGINE

Engine has failed. Had it inspected by two mechanics and they said the same thing, there are broken internal components possibly due to defective components.

NHTSA complaint #11508656 — an unverified report by a vehicle owner.

ENGINE

Oil cooler housing cracked and leaking oil over entire engine which could cause a fire. Dealership has confirmed the part is damaged. No warning lamps or messages were triggered. Others have experienced the same problem with multiple replacements. Vehicle has been at the dealership now since 2/1/2023 waiting for Chrysler / Mopar Warranty to give the authorization to repair.

NHTSA complaint #11508385 — an unverified report by a vehicle owner.

ENGINE

While driving my Jeep Wrangler on the highway going speeds of >60 mph for longer than 20 minutes the vehicles check engine and traction control light illuminate and I lose passing capability in the Jeep. Once the vehicle is turned off and on 3 times the system seems to reset itself. Because of this the only way the dealership can read the codes is if the lights are illuminated. I have taken the Jeep to 2 different Jeep dealerships while the lights were on and both have claimed that the "system needed to be reset". Once they do that the Jeep seems to run fine and the lights are gone. However, it is still happening whenever my speed goes 60 mph or more for a short period of time. Due to this problem I am not comfortable but sometimes must take my Jeep on the highway and without fail the same warning lights illuminate and the passing power is gone. I have reported this problem to Jeep itself and was told to take it to another Jeep dealership which I did and the same maintenance was performed but yet the same problem exists. This failure is a hazard to not only the driver but those around due to the vehicles lack of passing power when on a highway where speeds are at a minimum of 65mph.

NHTSA complaint #11502377 — an unverified report by a vehicle owner.

ENGINE

The camshaft and lifters failed with no check engine light. Upon inspection the left bank cams and lifters were in need of replacement and a pinhole was found in the radiator.

NHTSA complaint #11501245 — an unverified report by a vehicle owner.

ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR

The contact owns a 2016 Jeep Wrangler. The contact stated while driving at an undisclosed speed, she heard a tapping sound under the hood of the vehicle. No warning light was illuminated. The dealer was notified of the failure and indicated that the rocker arm and the camshaft needed to be replaced. The vehicle was not diagnosed. 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 70,218.

NHTSA complaint #11499392 — an unverified report by a vehicle owner.

ENGINE

Oil Housing Unit crack. Just bought vehicle used. Weather dropped to 28 degrees and oil housing unit cracked. All oil poured out of vehicle and would not hold any oil when more was added. Took vehicle to Jeep dealer and they confirmed that the PLASTIC piece that was the original part cracked and that this is a very common problem for 2014-2017 Jeeps due to the part being plastic. Part is not covered under any warranty and will cost $1200 to repair. I'm told that the replacement parts have been updated and are no longer made of plastic due to the high instance of problems. All research shows that this was to be a recall but that it has not been made official. This is a huge safety concern as the oil completely drained from the vehicle upon crack. Had I not been in my own driveway and driving down the highway, this would have caused major issues, engine failure and very possibly an accident. We were planned to be on a 6hr road trip moments before this occurred in the driveway. This part needs to be recalled and replaced by the manufacturer since it is a common and known problem with many Jeeps manufactured during that time frame.

NHTSA complaint #11499201 — an unverified report by a vehicle owner.