U.S. auto safety regulators are now investigating concerns regarding the latest Nissan engine failure. The U.S. Office of Defects Investigation opened the preliminary probe.

ODI is the agency of the National Highway Traffic Safety Administration that administers a safety recall program. NHTSA officials confirmed the latest U.S. probe regarding the Nissan engine failure.
Nissan Engine Failure Concerns Lead to US Investigation; Almost 500,000 Vehicles Allegedly Affected

(Photo : KAZUHIRO NOGI/AFP via Getty Images)

As of writing, almost 500,000 Nissan vehicles are allegedly affected by the latest engine failure. If you are a Nissan owner, here's what you need to know about this issue.

Nissan Engine Failure Concerns Lead to US Investigation

According to Yahoo Finance's latest report, ODI officials announced on Friday, Dec. 15, that they will open an investigation into at least 454,840 Nissan vehicles with failing engines.

U.S. auto safety regulators said that among the affected Nissan models include the Infiniti Qx50, Altima, and Nissan Rogue. The engine failure they are looking at is allegedly leading to a loss of motive power with no ability to restart.

Business Standard reported that the engine failure also included metal chunks, engine knocking noises, as well as shavings in the oil pan. ODI said that these issues were found on the mentioned vehicles equipped with the KR20DDET and KR15DDT engines.

U.S. auto regulators confirmed that the Japanese automaker is already looking to address the engine issues. Specifically, Nissan is addressing the main bearing and the L-link damage/seizures on the affected engines.

The car manufacturer is doing this by introducing multiple manufacturing process changes over time.

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Recent Nissan Engine Failure Issues

Nissan Engine Failure Concerns Lead to US Investigation; Almost 500,000 Vehicles Allegedly Affected
(Photo : OLGA MALTSEVA/AFP via Getty Images)

This is not the first time that Nissan vehicles suffered from engine issues. Previously, the National Highway Traffic Safety Administration announced that it investigated the Nissan Titan model regarding broken crankshafts.

The federal auto regulations looked at diesel trucks from 2016 through 2019. In November, NHTSA warned that the diesel engine issues could lead to a recall affecting more than 38,000 trucks.

Based on the recent complaints sent to NHTSA, affected vehicle owners said they start losing power whenever they reach 70 mph. They claimed that this happens without any warning or check engine lights appearing.

"Dealer says broke crankshaft in the motor truck only has 77k miles on it," said one of Nissan owners.

"This should be looked into as it's happening a lot with models with the Cummings diesel motor. Please look into this before someone is killed. Thank you for keeping us safe," added the complainer.

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