2020 Chevrolet Silverado 1500 engine problems
230 owner complaints filed with NHTSA name the engine on the 2020 Chevrolet Silverado 1500 — 33% of all complaints for this model year.
What owners report
“Description of Problem: While driving, the engine intermittently revs on its own without any input from the accelerator pedal. During these episodes, the vehicle also shakes/vibrates noticeably. This has occurred [once / multiple times — specify frequency, e.g., “several times over the past X…”
filed Jul 27, 2026
“While driving my 2020 Chevrolet Silverado 1500 equipped with the 5.3L V8 engine and Dynamic Fuel Management (DFM), the engine developed an internal valvetrain failure resulting in misfires, rough running, and reduced engine performance. The vehicle was diagnosed by a Chevrolet dealership as having…”
filed Jul 10, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Silverado 1500 years
| Year | Reports | Share |
|---|---|---|
| 2026 Silverado 1500 | 38 | 60% |
| 2025 Silverado 1500 | 40 | 48% |
| 2024 Silverado 1500 | 128 | 46% |
| 2023 Silverado 1500 | 134 | 38% |
| 2022 Silverado 1500 | 221 | 38% |
| 2021 Silverado 1500 | 350 | 45% |
| 2019 Silverado 1500 | 351 | 33% |
| 2018 Silverado 1500 | 99 | 19% |
| 2017 Silverado 1500 | 114 | 16% |
| 2016 Silverado 1500 | 71 | 9% |
| 2015 Silverado 1500 | 129 | 12% |
| 2014 Silverado 1500 | 190 | 13% |
Other reported problem areas on the 2020 Chevrolet Silverado 1500
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.