2021 Mitsubishi Outlander Sport: check engine light

Filed Sep 19, 2026 · Engine · TX

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.

Filed Jan 9, 2026 · Electrical, Engine · 6,000 miles · CA

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 persisted. The contact recently received an Extended Warranty for the infotainment touch screens due to common software and connectivity failures. The vehicle was not repaired. The manufacturer was notified of the failure; however, no assistance was provided. The failure mileage was approximately 6,000.

Filed May 14, 2024 · Engine · 47,000 miles · NY

The contact owns a 2021 Mitsubishi Outlander Sport. The contact stated while driving at an unknown speed, the Service Engine warning light illuminated. The vehicle was taken to a local AutoZone where it was diagnosed and determined that the catalytic convertor needed to be replaced. The local dealer was not contacted. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 47,000.

Filed Aug 1, 2023 · Transmission · 50,000 miles · TX

The contact owns a 2021 Mitsubishi Outlander Sport. The contact stated while driving approximately 65 MPH, the automotive power started fluctuating, and the vehicle stalled. The vehicle coasted off the roadway and was shifted into park; however, several attempts were needed to restart the vehicle. The contact stated that the vehicle would not accelerate above 30 MPH with the check engine warning light illuminated. The contact was able to drive the vehicle back to the residence. The contact had not taken the vehicle to a dealer or independent mechanic. The vehicle had not been diagnosed or repaired. The contact stated that the failure had been intermittent but gradually became a recurring failure. The contact researched online and related the failure to the federal safety agency Campaign Number: 22V563000 (Power Train). The manufacturer had not been informed of the failure. The failure mileage was approximately 50,000.

Filed Sep 7, 2022 · Acceleration, Electrical · 22,000 miles · FL

The contact owns a 2021 Mitsubishi Outlander Sport. The contact stated while driving approximately 35 MPH, the vehicle was stalling and not accelerating as needed. The check engine warning light was illuminated. The vehicle was taken to the dealer for an unknown recall repair. The vehicle was repaired; however, the failure reoccurred. The vehicle was taken back to the dealer but was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 22,000.