2023 Nissan Frontier Engine Problems

The contact owns a 2023 Nissan Frontier. The contact stated that on one occasion, while stopped at a traffic light at a busy intersection, the Auto START/STOP system turned off the engine, and the engine failed to restart as designed. The contact attempted to restart the vehicle. The vehicle was towed to the residence, where a mobile mechanic jump-started the vehicle, and a handheld diagnostic machine was unable to retrieve a fault code. The failure could not able to be replicated. The contact stated that during a second occasion, the shifter was able to shift out of park(P) into neutral(N), and the vehicle was pushed off the road to safety with the assistance of a State Trooper. The contact attempted to jumpstart the vehicle, and while there was power, the Push to Start button was pressed, but the power shut off. The contact stated that after waiting for a while, the vehicle was restarted and operated as intended. The manufacturer was notified of the failure and suggested that the vehicle be taken to dealer, and if the failure was associated with the drive train, the vehicle would be repaired under warranty. The failure mileage was approximately 41,000.

Tapping noise when starting vehicle in the mornings or when cold (now it occurs at all times at cold start despite outside temperature). Tapping lasts from about 30 seconds to a couple of minutes. Problem has been reproduced by the dealer and a techline case was submitted to Nissan on 3 JUL 2025. To date there has been no response from Dealer or Nissan on cause or how to rectify.

I was at the post office on Redwood Road in South Jordan, in the dropoff mailbox lane. At the end of the lane is stop sign. The stop sign is for the traffic coming into and leaving the post office. I was sitting at the stop sign when I turned east towards Redwood Road, as I was pulling up behind a blue SUV, the Frontier lurched forward and the RPM’s rev’d all the way up and the truck shot forward. I put my foot on the brake trying to stop the car but it hit the blue suv at the stop sign, that was waiting to turn onto Redwood Road, and proceeded forward at what felt like a high speed into a blue sedan turning into the post-office. With the second impact the airbags exploded and the Frontier continued east bound across the remaining lanes of north/south traffic heading towards a house across from the post office. I had both feet on the brake trying to stop the Frontier, and in the end the only thing I could think to do is put it into park, so I grabbed the shifter and slammed it into park, effectively stopping the Frontier from plowing into the house. Guideline answers: 1. I experienced Sudden Unintended Acceleration, not sure what the failure is, except the brakes would not work and the vehicle would not stop. 2. Since I wouldn't stop, I hit two vehicles, and a man broke his sternum. Somebody, including myself could have been seriously injured or worse killed. 3. No, I can't get anyone to inspect the black box! I have tried many, many, times!!! 4. No warnings! I have correspondence, pictures, etc., but this form will not allow me to upload. The truck has been deemed totaled by State Farm and is currently with them, but is scheduled to be scrapped in a couple of weeks.

The contact owns a 2023 Nissan Frontier. The contact stated while the vehicle was in the driveway, the vehicle started smoking causing the vehicle to burst into flames. The fire department was able to extinguish the fire. A police report was not filed. The dealer was contacted, and they advised to contact the manufacturer. The manufacturer was contacted, and they stated they were going to reach back out to the contact. The failure mileage was 105.