2021 Mitsubishi Eclipse Cross - Maintenance & Specs
The 2021 Mitsubishi Eclipse Cross belongs to a Mitsubishi Eclipse Cross lineup that Know Your Ride tracks across 4 model years, from 2020 to 2026. The 2021 sits mid-run, with both earlier (2020) and later (2026) Eclipse Cross model years also documented.
It takes 0W-20 full synthetic oil, 4.5 qt with a new filter meeting API SP. Fluid specs on file include Long Life coolant, DOT 3 brake fluid, Diamond ATF SP-III transmission fluid. Know Your Ride lists 14 scheduled maintenance items for this vehicle, the earliest interval falling at 7,500 miles. Documented torque values include oil drain plug 20 ft-lb, lug nut 80 ft-lb, spark plug 18 ft-lb.
Its overall reliability signal is rated "Excellent" based on aggregated complaint and crash data.
Quick Specs
| Oil viscosity | 0W-20 |
| Oil type | Full Synthetic |
| Oil capacity (w/ filter) | 4.5 qt |
| OEM oil spec | API SP |
| Tire size | 215/55R17 |
| Coolant | Long Life |
| Technical service bulletins | 18 |
Common Trouble Codes
- P0300 - Random/Multiple Cylinder Misfire Detected
- P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
- P0171 - System too Lean (Bank 1)
- P0128 - Insufficient Coolant Temperature for Stable Operation
- P0442 - Evaporative Emission Control System Leak Detected (small leak)
- P0455 - Evaporative Emission Control System Leak Detected (gross leak)
- P0700 - Transmission Control System Malfunction
- P0301 - Cylinder 1 Misfire Detected
- U0100 - Lost Communication With ECM/PCM A
Related Vehicles
Part of the free Know Your Ride vehicle maintenance reference. Figures are sourced from EPA, NHTSA and manufacturer data and are for general reference - always confirm with your owner's manual.