2020 Chevrolet Silverado 1500 fuel/propulsion system problems
31 owner complaints filed with NHTSA name the fuel/propulsion system on the 2020 Chevrolet Silverado 1500 — 4% 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
“I have a Trial Boss and it wont shut off when the key is off, KEEPS RUNNING. Did some research and it gave a couple of thing to check.”
filed Jul 3, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Silverado 1500 years
| Year | Reports | Share |
|---|---|---|
| 2026 Silverado 1500 | 1 | 2% |
| 2025 Silverado 1500 | 6 | 7% |
| 2024 Silverado 1500 | 18 | 6% |
| 2023 Silverado 1500 | 28 | 8% |
| 2022 Silverado 1500 | 36 | 6% |
| 2021 Silverado 1500 | 24 | 3% |
| 2019 Silverado 1500 | 30 | 3% |
| 2018 Silverado 1500 | 17 | 3% |
| 2017 Silverado 1500 | 28 | 4% |
| 2016 Silverado 1500 | 26 | 3% |
| 2015 Silverado 1500 | 24 | 2% |
| 2014 Silverado 1500 | 27 | 2% |
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.