2023 Honda Civic SI Engine cooling Problems
- Complaints
- 1about this part
- Share
- 2%of 65 total for the year
- Median mileage
- 36,000miles
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 1 complaints about the engine cooling of the 2023 Honda Civic SI, 2% of the 65 complaints for this model year. Where a mileage was given, the median is 36,000 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 2023 Honda Civic Si. The contact stated that while driving at an undisclosed speed on the same day the vehicle was purchased from the dealer, the contact noticed a strong oil odor inside the vehicle. The contact parked the vehicle and noticed oil leaking onto the ground and throughout the undercarriage. The dealer was contacted and informed the contact that a technician had forgotten to install the oil drain plug; however, the vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was approximately 36,000.”
NHTSA complaint #11760042, filed 2026-08, 36,000 milesEngine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 1 | 2% |
Other parts of the 2023 Honda Civic SI
60 complaintsLane departure
5 complaintsElectrical system
1 complaintsForward collision avoidance
1 complaintsOther or unknown
1 complaintsSeat belts
1 complaintsWheels
1 complaints
← All problems reported for the 2023 Honda Civic SI
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