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Hyundai Elantra Recall 21V301: Engine May Stall or Cause a Fire

NHTSA campaign 21V301, reported April 28, 2021, 158,493 vehicles potentially affected.

What this recall means for you

Certain engines may have piston oil rings that were not properly heat-treated. Over time this can damage the engine, which may cause it to stall, raising the risk of a crash. Oil may also leak onto hot exhaust parts, creating a risk of fire.

If you own an affected vehicle, take it to an authorized Hyundai dealer. The dealer will inspect the engine and replace it if needed, at no cost to you. Hyundai will also install Piston Ring Noise Sensing System (PNSS) software. Owners were notified by mail, and you can contact Hyundai customer service at 1-855-371-9460 with questions.

You can also check your Vehicle Identification Number (VIN) for open recalls on the NHTSA website to confirm whether your vehicle is included.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 21V301Hyundai Motor America
Component
ENGINE
Problem
Hyundai Motor America (Hyundai) is recalling certain 2019-2020 Elantra, 2019-2021 Kona and Veloster vehicles equipped with 2.0L Nu MPI engines. The piston oil rings may not have been properly heat-treated, which could result in engine damage.
Risk
A damaged engine may stall, increasing the risk of a crash. In addition, oil may leak onto hot exhaust components, increasing the risk of a fire.
Remedy
Dealers will inspect and, if necessary, replace the engine, free of charge. In addition, Hyundai will deploy Piston Ring Noise Sensing System (PNSS) software. Owner notification letters were mailed August 24, 2021. Owners may contact Hyundai customer service at 1-855-371-9460.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Affected vehicles

Hyundai Elantra20192020
Hyundai Kona201920202021
Hyundai Veloster201920202021