Chevrolet Blazer check engine light reports by year
88 NHTSA complaints describe persistent or recurring check-engine warnings on Chevrolet Blazer vehicles. The most reported year is 2020 with 33 reports.
| Year | Reports | Share of narratives | |
|---|---|---|---|
| 2022 Blazer | 8 | 16% | |
| 2021 Blazer | 17 | 13% | |
| 2020 Blazer | 33 | 15% | |
| 2019 Blazer | 18 | 10% | |
| 1999 Blazer | 5 | 1% | |
| 1997 Blazer | 7 | 1% |
Counts come from keyword analysis of complaint narratives — one complaint can describe several symptoms, and classification is approximate. Raw counts favor years that sold in larger numbers.