Honda’s 1.5L turbocharged “Earth Dreams” direct injection engine (L15B7) used in CR‑V, Civic, and Accord models from 2018–2023 has been widely reported for oil dilution. Fuel mixes with engine oil, leading to rough idle, misfires, stalling, premature wear, and in severe cases, catastrophic engine failure.
Multiple class action lawsuits allege Honda knowingly sold vehicles with this defect and failed to adequately repair them. Honda’s guidance to change oil more often or drive longer in warm weather did not resolve the core issue.
| Year(s) | Make | Model | Should Purchase? | Reason | Notes | |
|---|---|---|---|---|---|---|
| 2018 2019 2020 2021 2022 2023 | Honda | CR-V | Caution | Oil dilution causing misfires and stalling |
Engine: 1.5L Turbo I4 – L15B7 Reports of fuel mixing with oil Included in class action lawsuits (Wolf v. Honda, 2022) |
|
| 2019 2020 2021 2022 | Honda | Civic | Caution | Oil dilution leading to rough idle |
Engine: 1.5L Turbo I4 – L15B7 Known for premature wear and drivability issues Lawsuits allege Honda failed to disclose defect |
|
| 2018 2019 2020 2021 2022 | Honda | Accord | Caution | Fuel contamination of oil causing engine wear |
Engine: 1.5L Turbo I4 – L15B7 Owners report stalling and excessive maintenance needs Covered in oil dilution class action filings |
Honda’s 1.5L turbo “Earth Dreams” engines (L15B7) in CR‑V, Civic, and Accord models from 2018–2023 are prone to oil dilution, leading to drivability issues and potential engine failure. Multiple class actions allege Honda knew of the defect and failed to provide adequate repairs. These vehicles are generally Caution for long-term ownership.