2018 Chevrolet Colorado fuel/propulsion system problems
11 owner complaints filed with NHTSA name the fuel/propulsion system on the 2018 Chevrolet Colorado — 6% of all complaints for this model year.
What owners report
“My 2018 Chevrolet Colorado diesel has had repeated diesel emissions/DPF-related failures that cause the vehicle to enter reduced-power or limp mode. This is a safety issue because the truck suddenly loses power and cannot accelerate normally. The most serious incident occurred while driving over…”
filed Jul 6, 2026
“7.5 amp to fuel injectors has blown 2 times unknow reason causing loss of power 1st time on country road then 2nd time on a highway it's a common problem from the Chevy Colorado forums regarding the 2.8l lwn engine”
filed Jan 17, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Colorado years
| Year | Reports | Share |
|---|---|---|
| 2024 Colorado | 2 | 2% |
| 2023 Colorado | 5 | 4% |
| 2022 Colorado | 1 | 2% |
| 2021 Colorado | 1 | 1% |
| 2020 Colorado | 2 | 3% |
| 2019 Colorado | 9 | 6% |
| 2017 Colorado | 15 | 7% |
| 2016 Colorado | 17 | 2% |
| 2015 Colorado | 6 | 1% |
| 2012 Colorado | 1 | 2% |
| 2011 Colorado | 2 | 5% |
| 2010 Colorado | 1 | 4% |
Other reported problem areas on the 2018 Chevrolet Colorado
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.