2006 Honda Civic engine problems
227 owner complaints filed with NHTSA name the engine on the 2006 Honda Civic — 16% of all complaints for this model year.
What owners report
“cracked engine block leaking coolant. Honda says it's not covered after the extended warranty expired. The issue starts happening in many vehicles after 100K miles and my car started seeing the issue at 135K miles . Dealer will not help, Honda of America won't help. this needs to turn into a recall…”
filed Oct 25, 2025
“- What component or system failed or malfunctioned, and is it available for inspection upon request? My 2006 Honda Civic engine overheated. Upon diagnosis it was found that radiator coolant had leaked out due to cracks in the engine block (short block). Engine malfunction. - How was your safety or…”
filed Jul 12, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Civic years
| Year | Reports | Share |
|---|---|---|
| 2026 Civic | 5 | 18% |
| 2025 Civic | 4 | 6% |
| 2024 Civic | 3 | 2% |
| 2023 Civic | 8 | 3% |
| 2022 Civic | 11 | 1% |
| 2021 Civic | 5 | 3% |
| 2020 Civic | 12 | 5% |
| 2019 Civic | 31 | 7% |
| 2018 Civic | 57 | 8% |
| 2017 Civic | 66 | 11% |
| 2016 Civic | 95 | 9% |
| 2015 Civic | 31 | 8% |
Other reported problem areas on the 2006 Honda Civic
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.