Engine And Engine Cooling Problems of Nissan Pathfinder - part 1

I was driving the vehicle and it just stopped on the highway, no warning no kickback no precursor that something was wrong with the vehicle, and it stopped, the warning sign: not available system malfunction came on and then the entire electrical system shut down. I had to have the car towed home because it would not start. I went to the dealer on several attempts and no help was rendered. I was told to either come back or there are too many cars, just really getting the run around for a matter that is fatal. I was driving with my family in the car and it just stopped. I almost had an accident, it could have been fatal. This is unacceptable.

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? my 2022 Nissan Pathfinder experienced a catastrophic engine failure at approximately 70,000 miles. The vehicle suddenly developed severe engine knocking and required a complete engine replacement. There were no engine warning lights or oil pressure warning lights prior to the failure. The vehicle had been maintained according to the manufacturer’s recommended service intervals, including oil changes using full synthetic oil. The Nissan maintenance system indicates oil changes at approximately 10,000 mile intervals. Because there were no warning indicators prior to the failure, the issue occurred without any notice to the driver. A sudden engine failure without warning could present a potential safety risk if it occurred while driving in traffic or at highway speeds. The repair required a full engine replacement at a cost exceeding $8,000. The vehicle was just slightly outside the manufacturer’s powertrain warranty at the time of failure. Given the relatively low mileage and lack of warning indicators before the engine failure, I am submitting this complaint so the issue can be documented and evaluated for potential safety concerns or patterns of engine failure in this vehicle model.

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8/28/fuel pump replacement at just 16 miles, 10/12/check engine light with no documented repair, only that the code was cleared and the vehicle test driven, 12/18/pre-delivery inspection revealed clicking noise while turning and a leaking oil pressure switch requiring replacement parts and realignment, 1/19/check engine light on - battery replaced, 1/20/check engine light on - af sensor bank 1 replaced, 1/22/check engine light on - fuel injector / lines replaced, 2/2/check engine light on - O2 sensor replaced, 2/5/failure to accelerate while driving - towed home due to dealership being closed, towed to dealership first thing the next morning and is currently under further investigation. Please see attached letter. Also, the dates reflected on the carfax report are inaccurate.

I own a 2020 Nissan Pathfinder with approximately 55,000 miles. The vehicle repeatedly failed indiana emissions testing because the oxygen sensor monitor would not set to “ready,” despite multiple complete drive cycles and no check?engine light or stored fault codes. A local shop performed diagnostics and found no issues. They reported that another 2020 Pathfinder came in the following week with the exact same problem. My vehicle was ultimately sent to a Nissan dealership, where they determined the upstream oxygen sensor had failed in a way that prevented the ecm from running the emissions monitor, yet did not trigger any diagnostic trouble codes. The repair required full sensor replacement at a cost of $1,450, not covered under warranty. The failure mode is concerning because: • the vehicle gives no warning to the driver. • the ecm blocks emissions readiness indefinitely. • the issue appears to be occurring in multiple 2020 Pathfinders. • owners cannot legally renew registration without passing emissions. This may indicate a defective oxygen sensor or ecm logic issue affecting 2020 Pathfinders. I am filing this complaint so NHTSA can track the pattern and determine whether a broader defect investigation is warranted. Vehicle details: • year/make/model: 2020 Nissan Pathfinder • mileage at failure: ~55,000 • no warning lights, no stored codes • emissions monitor would not complete • dealer confirmed sensor failure and replaced part safety concern: a failed emissions component that does not trigger a fault code may indicate a defect in the emissions control system or ecm logic. The lack of diagnostic warnings prevents owners from knowing there is a problem until the vehicle fails emissions testing.

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My 2024 Nissan had a malfunction light of my auto on/off come on and then a malfunction of the traction control. I turned the car on and off which cleared the lights. I then began driving again and those came on as well as check engine light and reduced power came on while on the highway. The code was the camshaft sensor. I replaced this and codes still appear. Another mechanic put my car back on the computer and it is showing my timing chain at a 7. This is very disappointing considering car has less than 86000 miles on it. It isnt under warranty anymore as I do drive a lot. Oil changes were down regularly and this was a cash purchase. I loved my car up until this point. But at this point once I spend the extremely high amount to get this fixed I will be leaving Nissan behind.

Vehicle stalled on highway during extremely low outside temperatures and snow covered roadway. Engine malfuction, reduced power error code briefly appeared followed by a complete engine stall. Vechicle had no power and immediately needed to be steered to safety. Near whiteout conditions lead to an extremely dangerous situation, nearly causing a nearly collision. Prior to this incident, the vehicle had been at the dealership for a similar issue without complete engine stall. Dealer could not diagnose issue as no obd codes remain after engine failure. This is an extremely dangerous vehicle. Immediate action is required.

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The contact owns a 2025 Nissan Pathfinder. The contact stated that while driving uphill at an undisclosed speed, the vehicle suddenly lost motive power, with several unknown warning lights illuminated. The vehicle failed to restart after the first attempt. After several attempts, the vehicle restarted; however, the transmission failed to shift into gear properly. The contact stated that while attempting to shift gear, the vehicle lost motive power. Due to the failure, the contact required assistance from the local police department to move the vehicle out of traffic. The contact was later able to restart the vehicle and drive for several miles; however, the failure persisted. The vehicle was towed to a dealer, where it was diagnosed and it was determined that the engine control module (ecm) had failed and needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 250.

Serious incident that happened. While we were driving heading uphill to the beach, the check engine light and multiple warnings suddenly appeared. It said 'transmission error' and 'engine power reduced,' and the car just shut down with the kids inside. We were at risk of the car rolling backwards. I really think this is a major safety issue tied to the vehicle's design or manufacturing. Second incident was also driving on the road and suddenly all the lights appeared again and the engine shut off on its own leaving me and the kids stuck on road. I wasn’t able to switch it to n to at least try to push it out the way! I was stuck in traffic and had to call road assistance to get the car towed home! at this point I’m scared to drive anywhere especially with my kids inside.

I purchased a 2014 Nissan Pathfinder SUV from dominguez pro advisory llc located at 19200 sw 106th avenue, miami, FL. 33157-bay- # 22-23 on [xxx] and the transmission is bad. I replace two parts one called motor mount and the other air intake. I called and spoke with the owner ceaser dominguez on January 24, 2026 at 3:03 pm and he stated that he could not do anything when this vehicle only has 12 days of purchase. I took the vehicle to a transmission place called american int transmission and spoke with carlos martinez and he ran the computer and the code that came up was p17f0 which is cvt judder (t/m inspection ) transmission problem information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

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Engine malfunction with loss of power occurred while driving. The vehicle entered reduced speed mode which created a dangerous situation for myself and others. This problem occurred 3 consecutive times during an extremely cold day. The code will clear after restarting the engine, but the issue randomly resumes during driving. Nissan towed the vehicle to a dealer. The dealer cleared the code and suggested they could not figure out the problem. I would not take the vehicle back without a comprehensive explanation of what occurred and a logical repair. This issue remains unsolved.

VIN 5n1dr3dk3sc307812 date of incident: December 21, 2025 location: I-295 south, merging onto I-95 south, jacksonville, FL vehicle: 2025 Nissan Pathfinder, VIN 5n1dr3dk3sc307812 owner: attiyah moore witness: alan moore phone number: 904-451-8295 email address: abmoore0504@yahoo. Com incident description: while driving on I-295 south, merging onto I-95 south at approximately 65 mph, the vehicle experienced unintended acceleration. The gas pedal became completely stuck to the floor, and I had to keep my foot on the brakes to try to slow the vehicle. Every time I lifted my foot off the brakes, the car would accelerate again. I had to gently pat the brakes repeatedly to slow the vehicle. Once I was finally able to slow the vehicle and bring it to a stop while keeping my foot on the brakes, I tried to shift the car into park, but it would not go into park and the gas pedal remained stuck to the floor. I had to turn off the engine completely before the gas pedal released and the car could be shifted into park. My husband, alan moore, was in the car and witnessed all of these events. This incident created a life-threatening situation. The vehicle had previously been taken to the dealership for fuel consumption issues, but no problem was found at that time. Additional information: the vehicle is unsafe to drive, and I am requesting immediate escalation to Nissan north America for buyback or replacement, as well as a loaner vehicle while this matter is under review. VIN: 5n1dr3dk3sc307812.

My 202 Pathfinder started misfiring with sever knocking, Nissan said there is metal saving in my oil which is caused because of the long block engine failure and timing chain loosening. I had my oil changes done every 4k, and I also had the fluids flushed twice in 5 years because of excessive build up. How does this happen.

Check engine light came in. Took into repair shop to change oil and diagnose issue. It was about 7,000 miles since previous oil change with full synthetic oil. Drained oil was full of metal shavings. Refilled oil and ran engine. Metal shavings was again observed in oil immediately. Mechanic stated vehicle needed a new engine. Noticed another complaint (#11674909) built around same time with exact same issue. Vehicle has ~160k miles with regular maintenace and only synthetic oil. There should not be engine damage at this point that would lead to a failure as this. Cost of repair is currently being worked up by repair shop but likely in $3-7k range.

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While driving at normal speed, the vehicle unexpectedly shifted itself into neutral twice without any driver input. During both incidents, the vehicle suddenly lost propulsion in traffic, creating a safety risk for the occupants and surrounding vehicles. Prior to and after these events, the vehicle displayed a “service a/t” message and a check engine warning light. The vehicle has been inspected by a dealership. They identified an engine-related concern (including a failed mass air flow sensor) and an electrical concern requiring attention. However, the dealership reported that they were unable to duplicate or diagnose the unintended shift into neutral, and the cause of the neutral engagement remains unknown. This issue has occurred more than once shortly after purchase of the vehicle. The warning lights and messages have been reproduced by the dealer, but the loss-of-drive event has not. The unresolved transmission or powertrain malfunction poses an ongoing safety concern.

Buying a used vehicle checking on issues.

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Around 160,000 miles my cvt transmission went out. I almost got into a wreck no warning lights just stopped on me. When I took it to my local dealership in waco, texas they told me I'll be good to wait over the weekend that they first opening wasn't until Tuesday. I came by on a Thursday. The car was making noises I was concerned and it wasn't accelerating like normal. I slowly drove it to Nissan dealership in temple TX 30 mins away. The tech there immediately drove it to see if it was apressing concern or not. He immediately stated it wasn't safe and they gave me a loaner. My vehicle was in the shop for three weeks I had to get a $14,000 loan to repair it because my extended warranty didn't cover specifically cvt transmissions because of Nissan history with the other vehicles with that transmission type. I contacted Nissan corporate they said they would give me a warranty but since the Pathfinder wasn't on their recall list they couldn't assist me in that manner. Since the cvt transmission repair I've had engine issues and now my catalytic converter isn't working properly. I've given Nissan money on repairs that normally doesn't happen until the vehicles is over 200,000 miles. I went to some Nissan Pathfinder forums and found out this is to be true that many Pathfinder owners are buying new transmissions or vehicles all together because of this defect in the Nissan cvt transmissions. I hope to get my money back since I'm a disabled afghanistan navy veteran on a limited income. If it's happening to me it's happening to others and should be investigated.

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The engine failed due to coolant infiltration, which caused catastrophic damage and required a full engine replacement. The failed engine remains at conyers Nissan and is available for inspection upon request. When the vehicle finally started, thick white smoke poured from the exhaust while it was in my garage with the garage door raised. I immediately removed my child from the vehicle and moved it outside to avoid potential fire or toxic fume exposure. The sudden failure created a serious safety risk to both myself and my child. . After failed multiple phone check-ins then finally going to conyers Nissan, the shop foreman confirmed the problem on October 13, 2025, and determined that the engine must be replaced. To my knowledge, the vehicle has not yet been inspected by Nissan corporate, insurance representatives, or law enforcement. There were no dashboard warning lamps, error messages, or prior symptoms before the failure. The vehicle had been operating normally until October 9, 2025, when it suddenly became difficult to start and then emitted smoke. All maintenance has been completed according to Nissan guidelines. The incident occurred on October 9, 2025, when the vehicle had 35,855 miles. It has remained at the dealership since that date. Despite the proposed engine replacement and any other associated component, I no longer feel safe operating this vehicle, particularly with my child onboard, due to the severity and suddenness of the failure. I sent an email to Nissan consumer affairs (case# 55923865) requesting that Nissan repurchase the vehicle due to this serious safety concern. The dealership stated they cannot give me an inspection report until the repairs are done. However on the status link that is sent via text to check on the vehicle, the inspection shows complete.

Airbag light just came on today 10/2/25 electronic emissions control will turn on and off the same day every few months.

As I am accelerating once the car reaches 30-60 mph there is a very distant shuddering that occurs that cause the engine to lose some power and turns the check engine light on. This appears to be a common problem as I have found many complaints on forums describing very similar symptoms.

The contact owns a 2017 Nissan Pathfinder. The contact stated that while driving in a parking lot at unknown speeds, the vehicle began jerking and stalled. The battery had become inoperable. The tpms message was displayed. The failure was linked to technical service bulletin: ntb15-015h. The local dealer was called and informed the contact that the failure was related to the cvt transmission and confirmed there was no coverage for the repair of the vehicle. The vehicle was not diagnosed or repaired. The manufacturer was contacted, but no assistance was provided. The failure mileage was approximately 100,000.

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While driving at a rate of 20mph +, the Pathfinder will start jerking back and forth then turn off. This happened in the middle of a highway lane. Good thing no one was hurt. This was also sudden.

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The contact owns a 2022 Nissan Pathfinder. The contact stated that after stopping at a gas station, the vehicle was restarted but stalled. There several unknown warning lights flashing on the instrument cluster. The vehicle was unable to be restarted and was towed to a local dealer. The contact stated during the failure the transmission was in drive(d) and could not be shifted to park(p) or neutral(n). The dealer recharged the 12-volt battery and had difficulty diagnosing the failure. The dealer determined that the transmission control module needed to be reprogrammed. The vehicle was repaired; however, the vehicle was losing motive power while driving. The contact stated while driving at various speeds, the vehicle lost motive power. The vehicle was stopped, turned off and restarted to regain normal operation. The contact stated that the failure had occurred several times. The failure recently recurred with several unknown warning lights illuminated and the vehicle was towed to the same dealer. The contact became aware that in March 2024 another dealer replaced the fuel pump for a previous vehicle owner. The dealer had not yet diagnosed or repaired the vehicle. The manufacturer was not informed of the failure. The failure mileage was 58,607.

As I was driving my 2017 Nissan Pathfinder, when the vehicle suddenly accelerated to a high rate of speed and the gas pedal became stuck. I tried to press on the brake as much as possible but the vehicle was not successfully able to be stopped which caused a terrible motor vehicle accident.

Timing chain failure at 88,000 miles on well maintained vehicle. Could cause catastrophic engine failure. No leading indicator.

1. ) the engine makes extremely loud running noise after pressing gas pedal. It is available for inspection. 2. ) no noticeable safety of occupants was place at risk. We will say the deafening sound of the engine when accelerating is unsettling. 2a) the vehicle struggles to accelerate fast after pressing acceleration pedal. 2b. ) it’s not shifting automatically at all. 3. ) the problem have not been reproduced or confirmed by a dealer or independent service center, only reported to dealer. 4. ) the vehicle or component havr not been inspected by police, manufacturer, insurance representatives or others. 5. ) there weren’t any warning ?? lamps, messages, or other symptoms of the problem prior to the failure. The sudden occurrence was observed three-days ago, when the loud engine sputtering noise began after running quietly earlier in the day. 5a) it simply sounded like the header pipe (s) to the engine became disconnected from the engine, or the equivalent of the header/engine exhaust pipe(s).

Car caught fire when off and parked.

My 2018 Nissan Pathfinder sl has had to have the engine replaced once due to the cvp issues with the transmission causes in the engine to fail. It was replaced not even two years ago and now the issue has presented itself yet again and the engine has failed once again. I believe that this vehicle should be issued for recall because this is an issue that has happened twice engine has failed twice car will not run. Will not turn over vehicle is at a standstill. I want somebody to contact me regarding this because this is not acceptable.

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Idle needle jumping when turning the car on. Delay in shifting gears and throttle response. Forward collision warning goes off at random times even when no cars are present.

Complete engine failure. I did regular oil changes about every 4000 miles and the last one I did early at around 3200 miles the oil was sludge and after the engine knocked and low oil pressure light came on and the engine blew all within 2 miles of the light coming on and me trying to find a safe place to pull over. These engines have a defect somewhere and I know it didn't happen from improper maintenance.

Electrical issues with my car including ac. Timing belt chain went and gasket covers. Continuous issue with this vehicle.

My 2013 Pathfinder keeps shuddering and jerking and swerving while driving.

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While driving on the interstate with my family, my 2023 Nissan Pathfinder suddenly began to fail (limp mode), forcing me to pull onto the shoulder in a dangerous situation. I was in the farthest lane to the left, with no shoulder available. I had to cruise all the way across two lanes with no acceleration, but my flashers and the grace of god. The issue appears related to the mass airflow sensor, which was already replaced six months ago. I’ve had repeated issues, and neither the dealership nor Nissan has resolved it. The dealership manager even told me rudely that he would unplug the mass air flow sensor and leave it up front for me to come pick it up, because of my attitude. I told him at the beginning of the call that I was frustrated, and it was nothing personally against him. I even asked what did I say to have you make a comment like that. This vehicle is unsafe and unreliable, and I fear for my family's safety the next time I drive it.

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I bought my 2014 Nissan Pathfinder 4x4 sv a couple months ago and it’s always had when starting where the rpms will constantly jump while driving, I took the car in to Nissan dealership in tridelphia wv multiple times, after buying to have recalls done that needed to be done and they said it was fine no previous codes or anything. Then driving home from work [xxx] the check engine light came on and codes were cvt judder, bank 1 low catalytic converter, driver tpms sensors bad. And then after couple days the check engine light went off. Car has a loud humming noise prior to light coming on and still. Rpms still jump but now the speedometer does it as well. This can’t be safe and there’s been multiple accidents/complaints about the cvt death judder in these suvs and for what we pay for them it should be fixed before someone dies. They need to be recalled ASAP!!! information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

My car is saying hybrid battery overheating theres a recall for it but not for my VIN and they won't fix it.

The contact owns a 2014 Nissan Pathfinder. The contact stated that soon after starting the vehicle, the engine started to overheat with the temperature gauge indicating that the engine was hot(h). The contact also stated that the check engine warning light was illuminated, and the vehicle started losing motive power. The dealer was notified of the failure and the contact was informed that there were no recalls on the VIN related to the failure. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 64,000.