2021 Mitsubishi Outlander Sport engine problems
This is a safety-related system. If you notice symptoms, stop driving and have it inspected.
What owners report
“At freeway speeds in the heat the vehicle intermittently and suddenly flashes yellow check engine light and vehicle shakes as it loses most of the engine power, forcing a slow or stop to "limp it" off the highway. No warnings no noises no change in emissions noted. Calls to dealerships and have been told they don't know what it is and haven't heard of any issues.”
NHTSA complaint · filed 09/19/2026
“The contact owns a 2021 Mitsubishi Outlander Sport. The contact stated that the catalytic converter was stolen from the vehicle, and a new catalytic converter was installed. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to an independent mechanic, who diagnosed the vehicle with catalytic converter failure. The vehicle was not repaired. The contact called the dealer, but no assistance was provided. The failure pers…”
NHTSA complaint · filed 01/09/2026
“Multiple and random Cylinder misfires. fixed more than three times and continuously, same issue. many issues with revving up. safety risk while driving due to stalling.”
NHTSA complaint · filed 08/02/2024
“The contact owns a 2021 Mitsubishi Outlander Sport. The contact stated while driving at an undisclosed speed, the engine misfired and the vehicle stalled. There were no warning lights illuminated. The local dealer was notified of the failure but the vehicle was not diagnosed or repaired. The contact associated the failure with NHTSA Campaign Number: 22V563000 (Power Train). The manufacturer was not contacted. The approximate failure mileage was 900.”
NHTSA complaint · filed 10/12/2022
“This was in a rental from National Car Rental from the Las Vegas airport. I was driving down the road at about 65-70 MPH when the vehicle's brakes just slammed on, and everything about the car just died. There was a huge groaning sound as it happened - kind of like when you are in 'park' and push the gas pedal and it revs really high. I tried shifting into neutral, nothing changed, and all the lights and functions of the car went out. I did my best to "direct" (couldn't steer) the car to the …”
NHTSA complaint · filed 05/17/2022
Unverified owner reports from NHTSA's public complaint database.
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- How common are 2021 Mitsubishi Outlander Sport engine problems?
- 5 owners reported engine issues to NHTSA for the 2021 Mitsubishi Outlander Sport. Counts scale with how many were sold.
- Is there a recall for 2021 Mitsubishi Outlander Sport engine problems?
- No matching recall is on file. Check your VIN at nhtsa.gov/recalls for the latest.