2021 Mitsubishi Outlander Sport Engine cooling Problems
- Complaints
- 1about this part
- Share
- 5%of 19 total for the year
- Median mileage
- 47,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2021 Mitsubishi Outlander Sport, 5% of the 19 complaints for this model year. Where a mileage was given, the median is 47,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“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.”
NHTSA complaint #11588728, filed 2024-05, 47,000 milesRelated service bulletins
- 10246268Nov 17, 2023This Technical Service Bulletin supersedes TSB-22-16-001REV ("MIL illumination with DTC P030X and loss of power due to Fail Safe Mode") issued August 2023, to update the Affected…
- 10241921Aug 2, 2023This Technical Service Bulletin provides instructions to reprogram the ECU with the countermeasure software when the check engine light illuminates with DTC of P0401/ P0400.
- 10241920Aug 2, 2023This Revised Technical Service Bulletin was sent to dealers directing them upon customer complaint basis and after diagnosis, to replace the ignition coils of all cylinders with…
- 10233997Mar 7, 2023This Technical Service Bulletin contains technical information and troubleshooting for the accessory Remote Engine Start system for affected vehicles.
- 10233994Mar 7, 2023This is a Technical Information Notice informing dealers and parts managers about possible causes after a customer complains that the engine will not start while using the remote…
- 10210192Mar 9, 2022This Technical Service Bulletin was sent to dealers directing them upon customer complaint basis and after diagnosis, to replace the ignition coils of all cylinders with…
- 10191961Apr 9, 2021This Technical Information Notice provides additional instructions to dealers when replacing the Valve Cover Gasket due to a customer concern of oil leaking.
Engine cooling: other model years
Other parts of the 2021 Mitsubishi Outlander Sport
6 complaintsEngine
5 complaintsOther or unknown
4 complaintsForward collision avoidance
3 complaintsTransmission and drivetrain
3 complaintsVehicle speed control
3 complaintsLane departure
2 complaintsBack-over prevention (rear camera)
1 complaintsFuel system
1 complaintsSeat belts
1 complaints
← All problems reported for the 2021 Mitsubishi Outlander Sport
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology