2019 INFINITI QX50 Engine Problems

The contact owns a 2019 Infiniti QX50. The contact stated that while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The contact stated that the vehicle was shaking erratically. In addition, the oil light and check engine warning lights were illuminated. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The dealer was made aware of the failure. In addition, the vehicle was inspected on 07/01/2026 by the dealer under NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling). The contact was informed that the vehicle had passed the inspection. The manufacturer was not made aware of the failure, and a case was filed. The contact was informed that the mileage on the vehicle was over the mileage limitation. The failure mileage was approximately 200,000.

NHTSA ID

11753348

Incident

Jul 27, 2026

Mileage

200,000 mi

2019 Infiniti QX50 with engine bearing failure defect matching NHTSA Recall #25V-437. Vehicle was sold to me on 12/24/2025 by a dealer, MORE THAN FIVE MONTHS after the recall was issued on 07/14/2025. The dealer NEVER disclosed the active, unrepaired safety recall. Two months after purchase, the engine developed loss of power and unusual noises - exact symptoms described in the recall. An independent mechanic diagnosed a pre-existing camshaft bearing defect. Despite component replacement, symptoms persist, confirming the defect was present at time of sale. This is a serious safety violation. The dealer knew or should have known about the recall via CARFAX and failed to disclose it, violating federal law 49 U.S.C. § 30120. The vehicle is unsafe to drive with an unrepaired engine bearing failure. Safety Risk: Engine bearing degradation can lead to complete engine failure while driving, resulting in loss of motive power and crash risk. Requested Action: Federal investigation into dealer's failure to disclose active safety recalls.

NHTSA ID

11745805

Incident

Jun 22, 2026

The issue on the 2019 Infiniti QX50 it's not the motor that they had the recall on it's the VCR actuator it goes bad causes the bracket that's connected to rub against the side of the engine block causes it to have metal shavings and the car to go in limp mode and can cause an accident it's a common issue just put one in and already bad not even a year The original one made it to $47,000 mi before going bad

NHTSA ID

11745300

Incident

Jun 19, 2026

The contact owns a 2019 Infiniti QX50. The contact stated that while driving at an undisclosed speed, there was an abnormally loud sound coming from the vehicle. There was no warning light illuminated. The contact received notification of NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling). The vehicle was taken to the dealer, where it was diagnosed with engine failure due to metal shavings found in the oil pan. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The contact was denied an engine replacement. The dealer informed the contact that the claim was denied due to the vehicle exceeding the warranty mileage and a lack of proper maintenance. The contact provided maintenance records; however, the claim was still denied. The dealer stated that the failure was related to insufficient maintenance and not the recall. The manufacturer was made aware of the failure, and a case was opened. The failure mileage was approximately 135,000.

NHTSA ID

11734404

Incident

Apr 28, 2026

Mileage

135,000 mi

Recall on my 2019 infiniti qx50. I am a 100% service connected from the vietnam war I can no longer drive and because this is a critical safety recall I sent a email to infiniti asking for help in getting the vehicle towed repaired and returned to my home address it is 100+ miles one way. Again, I am a 100% service connected war veteran. The car was being used to carry me to appointments most of which is the VA. medical center. I am on disability income and i can not afford to have it towed so the vehicle is garaged at my home because I don't want anyone driving get hurt.

NHTSA ID

11730280

Incident

Mar 7, 2026

The car had a power failure so I took it to the dealer to have it checked since it had an open recall, according to what the mechanic tells me is that the fault comes from the mild tree, but he does not tell me what causes that failure and he has not given me the results of the recall either

NHTSA ID

11729566

Incident

Apr 5, 2026

I am filing a safety complaint regarding my 2019 Infiniti QX50 experiencing engine failure consistent with known bearing defects. On February 13, 2026, while driving from [XXX] to [XXX] on the highway, my vehicle began shaking severely, producing a rattling/knocking noise from the engine, and losing power while in motion. This created a dangerous driving condition and required the vehicle to be towed. The vehicle was taken to a repair shop in [XXX] , where it was diagnosed with engine bearing failure. The shop indicated that this issue was consistent with a known defect and that there was an active recall related to engine bearings at that time. Based on that information, the vehicle was towed to Bob Moore Infiniti in [XXX] for recall inspection and repair. Initially, the dealership indicated that there was an issue and that it was associated with a recall. However, they later reversed their position and stated that the vehicle was “fine” and did not perform any recall repair, despite the ongoing symptoms and prior diagnosis. The vehicle continues to exhibit the same dangerous symptoms, including shaking, engine knocking, and loss of power, and remains diagnosed by another repair facility as having engine bearing failure. This is a serious safety concern because the vehicle can lose power unexpectedly while driving at highway speeds. Additionally, there appears to be inconsistency in how this known defect is being handled, as my vehicle was initially identified as affected but later denied repair. I am requesting further investigation into engine bearing failures in the Infiniti QX50, as well as inconsistent recall application for this defect. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ID

11728318

Incident

Feb 16, 2026

Mileage

139,602 mi

On March 26, 2026 my 2019 Infiniti QX50 (VIN: [XXX] ) experienced complete loss of motive power while exiting the freeway. My blind mother and [XXX] autistic son were both passengers creating a serious safety emergency for two disabled individuals. On March 28, 2026 Les Schwab Tires (Store [XXX] ) professionally documented metal shavings in the oil pan on official invoice stating ‘SHAVING IN OIL PAN’ with my VIN recorded. I brought the vehicle to Infiniti Roseville [XXX] ). Their own official inspection report R/O 101930 dated March 28, 2026 confirms: ‘REMOVED OIL PAN AND INSPECTED FOR BEARING DEBRIS. FOUND SMALL AMOUNT OF METAL SILVER COLORED.’ The report also documents my reported intermittent power loss and references two photos of the debris taken during inspection. Despite finding documented metal debris consistent with recall R25B2 bearing failure, Infiniti Roseville is denying engine replacement claiming silver colored debris does not qualify. Nissan’s published recall criteria makes no such color distinction — it states metal debris qualifies for engine repair or replacement at no charge. Warning symptoms began December 5, 2025 including headlight flickering, high pitched engine whistling, VDC warning light January 25, 2026 — all documented with timestamped photos and video. The vehicle is currently at Infiniti Roseville. I am requesting federal intervention as the dealer is not complying with recall R25B2 repair criteria and is applying internal standards that contradict Nissan’s published recall documentation INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ID

11728091

Incident

Mar 26, 2026

Mileage

111,428 mi

My vehicle was inspected at an authorized Infiniti dealership under an active recall. During that inspection, metal debris and loose bolts were found in the oil pan, indicating internal engine damage consistent with the recall condition. Despite this, Infiniti declined to repair or replace the engine. the engine failed completely while I was driving at highway speed, causing sudden loss of power and creating a serious safety hazard. I was left stranded in active traffic conditions, placing myself and others at risk. This incident raises significant safety concerns, including: Failure of the manufacturer to properly remedy a known recall condition, Continued operation of a vehicle with a known defect, Risk of sudden engine failure during normal driving conditions. Additionally, I did not receive timely notification of the recall. I should have been notified months earlier but only received notice on February 10, 2026. I have documentation from the dealership confirming the presence of metal debris and bolts in the engine, as well as photographic evidence of the damage. I am concerned that other vehicles with this defect may not be properly repaired, potentially leading to similar dangerous failures. Infiniti’s refusal to address a clearly defective engine identified during a recall inspection represents a serious safety issue that warrants investigation. I respectfully request that NHTSA review this matter and determine whether Infiniti is complying with its obligations to properly remedy recall-related defects.

NHTSA ID

11726912

Incident

Feb 20, 2026

The contact owns a 2019 Infiniti QX50. The contact stated there was a grinding sound coming from the engine while driving at various speeds and while accelerating from a stop. There were no warning lights illuminated. The vehicle was taken to a dealer to be diagnosed, and it was determined that the engine mounts were fractured and needed to be replaced. The vehicle was repaired. The failure persisted, and the vehicle was returned to the dealer. The driver stated the sound was normal and was coming from the turbocharger. No additional repairs were performed. The manufacturer was not made aware of the failure. The failure mileage was 59,021.

NHTSA ID

11725457

Incident

Feb 19, 2026

Mileage

59,021 mi

The contact owns a 2019 Infiniti QX50. The contact received notification of NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The contact later received an extended warranty notification from the manufacturer stating that the extended warranty on the engine for 10 years/120,000 miles. However, the contact received a second recall notification to contact the dealer for the recall repair. The contact stated that while driving 70 MPH on an Interstate, the vehicle suddenly decelerated to 35 MPH, almost causing a crash. There was no warning light illuminated. The contact was able to pull over to the side of the road, and the contact turned off the vehicle. The vehicle was restarted after 15 minutes and driven to the residence. The dealer was contacted and confirmed that the recall had resumed, and a recall repair appointment was scheduled. The vehicle was towed to the dealer, where the contact was verbally informed that no metal shavings were found in the oil pan upon inspection, and the engine was not replaced; however, the recall completion report that the dealer had provided to the contact confirmed that there were metal shavings found in the oil. The dealer was contacted, but informed the contact that the metal shavings found in the oil were not bearing materials. The vehicle was not repaired and was parked at the residence. The manufacturer was notified of the failure but denied assistance. The failure mileage was approximately 114,770.

NHTSA ID

11723850

Incident

Feb 2, 2026

Mileage

114,770 mi

The contact owns a 2019 Infiniti QX50. While driving at an undisclosed speed, there was an abnormal sound coming from the engine compartment. There was no warning light illuminated. The vehicle was taken to the dealer; however, the contact was informed that parts were not yet available. The contact was advised to call back to schedule an appointment for a later date. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The contact received notification of NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling). The manufacturer was not made aware of the failure. The failure mileage was approximately 69,000.

NHTSA ID

11722217

Incident

Feb 19, 2026

Mileage

69,000 mi

Vehicle: 2019 Infiniti QX50 Mileage at engine replacement: 31,830 miles Date of engine replacement: August 2023 (recall-related repair) The engine in my 2019 Infiniti QX50 was replaced under recall at 31,830 miles in August 2023. Approximately 18,633 miles later, the vehicle began experiencing transmission malfunction symptoms consistent with CVT failure. An independent mechanic diagnosed the CVT transmission as needing replacement. I then took the vehicle to an Infiniti dealership, and they confirmed transmission issues but declined warranty coverage because the powertrain warranty expired February 28, 2025. The transmission is directly integrated with the engine in this vehicle. Following the engine replacement, the transmission began exhibiting unsafe operating behavior, including hesitation, loss of acceleration response, and drivability instability. There are widespread consumer complaints and litigation involving this engine and CVT transmission combination in the 2019 Infiniti QX50. Infiniti extended coverage for the engine but has not extended coverage for the transmission despite known reliability concerns. I am now afraid to operate the vehicle due to concern of sudden transmission failure while driving, which could result in loss of power in traffic and create a safety hazard. I am requesting that NHTSA investigate this recurring pattern of CVT transmission failure following engine defects in the 2019 Infiniti QX50.

NHTSA ID

11720215

Incident

Dec 10, 2025

2019 Infiniti QX50 was purchased new 9/3/2018 Engine safety problems started 9/3/22 and it was fixed in a two days. Total engine failure diagnosed by Infiniti Cerritos on March 31, 2025. The car was at 103,900 miles at this time. At this time the warranty coverage was for 72,000 miles and not extended to 120,000 miles yet. I paid for the replacement of the engine on 9/5/2025. I later got a recall notice and it said that the warranty engine coverage had been extended to 120,000 miles and that I would get reimbursed for repairs. I never got reimbursed after I submitted a reimbursement claim form through Infiniti assist. I keep getting the run around at Infiniti Consumer Affairs. I submitted a Lemon Law claim and the arbitrator is showing a lot of bias and I keep getting the run around as well. No arbitration meeting has been scheduled. I now got a 2nd recall notice on January 29,2026 stating that the engine oil pan needs to be checked for metal debris and it’s possible that engine will need to be replaced if metal found. I scheduled an appointment on February 10th, 2026. At this appointment I also notified them that I still hear a noise in the engine. Infiniti Cerritos refused to do the recall. They also want to charge for inspection diagnosis of the engine noise when it should be covered under the warranty and recall notice. It says free of charge on recall notice. This car is obviously a lemon because if the engine gets replaced it’s bound and will continue to have the same type of safety issues.

NHTSA ID

11717015

Incident

Mar 31, 2025

I have called sewell infiniti multiple times for service appointment to check on my engine , per the recall notice. They said they were not taking appointments because no parts yet. And just wait for them to contact me. I have call them around October and December. Both times they said the same thing.

NHTSA ID

11715112

Incident

Feb 2, 2026

Hearing knocking from the engine and Infiniti of Honolulu has refused to schedule an inspection for over 6 months

NHTSA ID

11714749

Incident

Jan 31, 2026

The contact owns a 2019 Infiniti QX50. The contact stated that while driving at an undisclosed speed, several warning lights illuminated. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The dealer was made aware of the failure, and the contact was informed that the parts were not available to repair the vehicle. In addition, the contact was informed that a diagnostic test was needed to determine the cause of the failure. The contact stated that the vehicle was dangerous to drive. The contact received notification of NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling); however, parts to do the recall repair were not available. The manufacturer was made aware of the failure but provided no assistance. The failure mileage was unknown.

NHTSA ID

11712696

Incident

Jun 22, 2025

The contact owns a 2019 Infiniti QX50. The contact was made aware through the rideshare service Uber that the VIN was included in NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling); however, parts for the recall repair were not yet available. The dealer was not contacted. The manufacturer was not made aware of the issue. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact had not experienced a failure.

NHTSA ID

11711439

Incident

Jan 16, 2026

Safely concerned for passenger as airbag will not activate, light stays illuminated. Front driver seat frame seems loose or broken, seat rocks forward and backwards. Engine exhibiting sluggish and loss of power especially at lower speeds.

NHTSA ID

11710089

Incident

Jul 30, 2025

A few months ago, I received an email from CarFax letting me know that my vehicle, a 2019 Infiniti QX50 with 2.0L Turbo Engine had a major recall (NHTSA Recall Campaign No. 25V-437). The letter indicated the recall was due to issues with the engine bearings which could lead to a catastrophic failure. I wasn't sure what this meant, so I took the car to Austin INFINITI. The technicians checked the oil pan to see if there were issues. My understanding is that the oil pan should have been removed, drained of all oil to ensure there were no issues that could lead to the catastrophic failure of the engine. None of this was done. I was given my car back and told all was okay. Unfortunately On the evening of November 10, 2025, my vehicle’s engine suddenly seized while driving at highway speeds. Fortunately, I was able to coast onto the Frontage Road. For my protection, the Police Department arrived quickly to park police vehicles in the front and back of my car with their lights on to avoid a nighttime collision or worse. I had no idea why my engine suddenly lost power while driving down the highway and continued to refuse to start despite repeated attempts to restart the vehicle, the engine would not start. I was scared to death and this situation has exacerbated my current diagnosis of PTSD for which I am currently in treatment. This was a horrifying event that could have cost me my life. I can't eat or sleep and experience nightmares that my car died, then I am hit by a car driving at highway speeds as I tried to exit the vehicle. My wife and I are both terrified of driving the car now. I tried to resolve the issue with my local INFINITI dealership and even contacted NISSA/INFINITI executives. I was met with disregard, disrespect and a $1,700 bill to replace the starter that burned out as we kept trying to start the car. The starter burnout was a secondary cause due to the primary issue of the engine seizure. Infiniti disagreed and insisted on the $1,700 for the starter.

NHTSA ID

11708940

Incident

Nov 10, 2025

The contact owns a 2019 Infiniti QX50. The contact stated that the vehicle was taken to the dealer to be serviced for a different issue, and the dealer informed the contact that the VIN was included in NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling). The dealer advised the contact that the recall repair was on hold due to the fact that the remedy was not yet available. The contact was concerned that the recall remedy information stated that the recall parts were anticipated to be available in the beginning of the 4th Quarter of 2025; however, the parts were still not 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 had not experienced a failure.

NHTSA ID

11707588

Incident

Dec 29, 2025

Infiniti has identified a serious engine problem with the 2019-22 QX-50 which in their own words may cause the car "to crash". recall notice was sent in mid-June 2025 and they still dont have a solution. how is this acceptable? i am afraid to drive the car. where is the compensation??

NHTSA ID

11705375

Incident

Jun 25, 2025

Car recently had an important safety recall that was suspended, my car is a 2019 QX 50 Infiniti Luxe, that recently shut down and had to be towed, infiniti dealership diagnosed the car and says I have all low compressions and that I need an engine, these symptoms were quoted to my service dealership prior that the car hesitate to take off, low pick up when I accelerate, stops out of nowhere at intersections, I was told car performs as it was designed to perform even tho I explained it has like a growling sound, now here I am with an engine failed vehicle that they are trying to charge me 13,000 for repairs, I am still paying on this car and have a balance of 14,000+ owed, the dealership is saying they performed a recall diagnosis and that no debri was found in oil pan, any mechanic should know just because debri wasn’t found in the oil pan does not mean the car is not eligible for recall repairs, especially if the diagnostic test was done too soon, the car is definitely part of the recall but they will not honor that, I only had the car just 3 years as of September 2025, the car itself is only 6 years old, this engine failure is definitely part of the recall and I should not be responsible for this repair, this is a safety hazard for me and Infiniti should be held accountable for this faulty engine.

NHTSA ID

11704178

Incident

Dec 4, 2025

The contact owns a 2019 Infiniti QX50. While the contact's son was driving at an undisclosed speed, the engine seized with several unknown warning lights illuminated. The contact stated there was smoke and fire coming from the engine compartment. In addition, the smell of burning oil and smoke was inside the vehicle. The vehicle was towed to an independent mechanic, where it was diagnosed with engine failure. The contact was informed that the independent mechanic was not an engine expert and recommended that the vehicle be towed to an engine expert. The vehicle was towed to an alternate independent mechanic, where the vehicle was diagnosed with total engine failure. The contact was informed that the engine needed to be replaced. The vehicle was repaired. The engine was replaced with a used engine. The contact later received notification of NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling); however, the part to do the recall repair was not available. The manufacturer was made aware of the failure, and a case was filed. The contact submitted a claim for reimbursement for the repair. The contact was required to submit several documents, including a printout of the repair. The contact was informed that the report needed to include the engine failure code and engine report for the request for reimbursement. The independent mechanic was contacted by the manufacturer and the manufacturer received verbal confirmation of the repair; however, the manufacturer insisted on printed documentation of the repair. The failure mileage was approximately 98,500.

NHTSA ID

11703905

Incident

May 9, 2025

Mileage

98,500 mi

The contact owns a 2019 Infiniti QX50. The contact received notification of NHTSA Campaign Number: 25V437000 (Engine and Engine Cooling); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure.

NHTSA ID

11702774

Incident

Dec 3, 2025