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I was driving down the freeway at about 70 miles an hour. When a warning came up, saying engine malfunction power reduced, the car then started the shaking a bit and not getting any power. Smoke started pouring out of the hood. I then pulled over open the hood. It was then on fire(small).I put it out with some water. And then the car was unable to start. I then towed it to my house and i'm waiting here on inspection.

NISSAN ALTIMA 2023 ENGINE

While traveling at highway speed, the vehicle suddenly began slowing down. Pressing the accelerator caused the engine RPM to increase, but the vehicle would not accelerate. I was forced to pull onto the shoulder. After restarting the vehicle, it would no longer move in either forward or reverse and had to be towed.

NISSAN ALTIMA 2023 POWER TRAIN

âReporting a severe hydraulic/mechanical braking defect on a 2023 Nissan Altima with only 26,820 miles. Vehicle experiences persistent 'spongy' brake pedal feel, premature metal-on-metal rotor gouging, and severely darkened/degraded brake fluid, indicating a systemic hydraulic component failure or electronic brake-dragging defect. This is a severe safety hazard causing unpredictable stopping distances.   âAuthorized dealer (Coral Springs Nissan) refused warranty coverage prior to the May 21, 2023 expiration date and attempted to extort a signed liability/warranty waiver under duress to release my vehicle, which has been documented in writing on the service order and on video footage.   ***Manufacturer is actively concealing this safety defect to avoid a mandatory safety recall. I own an identical second 2023 Altima with no such issues, proving a manufacturing defect on this vehicle.  I paid $63k for both cars brand new. The only difference is the color.  This issue began 2023 just five months after purchase. I called Coral Springs Nissan who told me this was not the brakes but electrical components that are used now. I trusted what they told me. It made sense. How could breaks be like that on a new car? What they needed to tell me was get to the nearest Nissan immediately because they were aware they've been having cars with break issues especially between 2021 and 2023.  DO YOU UNDERSTAND THESE ARE BRAKE ISSUES? And what is this I was told that they recently got a judge to sign off and block any more class action lawsuits?? If this was some kind of air-conditioner component and still it wouldn't be fair for people who are trusting in quality. But these are brake issues. These are safety issues! What the hell are they letting these cars out on the road?  Issue confirmed by Auto Nation Nissan of Pembroke Pines and Coral Springs Nissan.

NISSAN ALTIMA 2023 SERVICE BRAKES

The engine mounted high pressure fuel pump became loose and unseated because the engine-side mounting threads failed. The pump lifted off its mounting surface, the head of the engine, and oil came out around the top of the engine. This failure caused sudden loss of engine power and created a potential safety hazard because the vehicle could lose power unexpectedly in traffic and there was fluid leakage in the engine compartment near hot engine components. The problem was confirmed by a Nissan dealer. The dealer inspected the vehicle, documented the failed mounting area on the engine head, and submitted a goodwill warranty claim to Nissan, which was denied. Prior to the failure, there were no 18repairs or service in this area from the factory. Symptoms at the time of failure were loss of power and visible oil leakage from the top/right side of the engine. No warning lamps/messages prior to the mechanical failure. Vehicle had 60,845 miles at the time of failure.

During a traffic incident on March 26 2026 I was the driver of the 2023 Nissan Altima SL and I suffered unnecessary bodily injury due to the AEB system. I was in a forward collision, the warning indicator did not go off, and the AEB may have went off after the crash unnecessarily causing major damage to my right shoulder tearing one ligament partially, one ligament completely and tearing my rotator cuff and needing reconstruction and two joints anchored. The impact of the AEB jolt went up my wrist and the force through my shoulder to cause that damage is inexplainable since I was at a complete stop and maybe only one car length away from the other car. I hit my face on the steering wheel. Airbags did not deploy. My son in the passenger seat suffered a concussion as did I. The only thing we can find that could cause this amount of damage is if the AEB decelerated after impact unnecessarily and the airbag did not deploy. That means our bodies were already moving through the impact of the crash only to have been thrust into a second unnecessarily intensely strong AEB jolt. Had the AEB not engaged, we would not have injuries. The warning system failed to activate as well. This system has gone off in error multiple times and the AEB had also engaged several previous times in error when backing out of my driveway. I did not know that it could be an error with the system until I started researching my injuries and learned that this is an issue with this model of Nissan.

NISSAN ALTIMA 2023 FORWARD COLLISION AVOIDANCE: WARNINGS

2023 Nissan Altima — vehicle data sourced from FuelEconomy.gov.

The 2023 Nissan Altima is a safe and reliable midsize sedan designed for everyday driving. It offers a comfortable ride with impressive fuel efficiency, making it a practical choice for commuters and families alike. With its spacious interior and modern features, the Altima provides a well-rounded driving experience.

	1998	1999	2000	2001	2002	2003	2023
Price	—	—	—	—	—	—	$25,290
Engine Capacity	2.4L	2.4L	2.4L	2.4L	3.5L	3.5L	2.5L
Fuel Type	Regular	Regular	Regular	Regular	Regular	Regular	Regular Gasoline
Transmission	Manual 5-spd	Manual 5-spd	Manual 5-spd	Manual 5-spd	Manual 5-spd	Manual 5-spd	CVT
Body Type	Compact Cars	Compact Cars	Compact Cars	Compact Cars	Midsize Cars	Midsize Cars	Sedan

Nissan Altima (2023) Specifications