2003 Chevrolet Malibu engine problems
47 owner complaints filed with NHTSA name the engine on the 2003 Chevrolet Malibu — 8% of all complaints for this model year.
What owners report
“Multiple times, the vehicle, while driving, electrically shuts down. security light comes on, sometimes, many attempts to restart will work. These shutdowns cause me to revet to manual bakes and steering.”
filed Sep 15, 2023
“Tl* the contact owns a 2003 chevrolet malibu. When the engine warmed up and the rpms reached their maximum level, the accelerator pedal automatically dropped to the floorboard. An independent mechanic diagnosed that the throttle body failed. The vehicle was repaired. The dealer was not notified…”
filed Aug 8, 2019
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how…
16-NA-383 · Service Bulletin/Repair Instructions · issued Jun 28, 2024
Engine problems in other Malibu years
| Year | Reports | Share |
|---|---|---|
| 2024 Malibu | 3 | 9% |
| 2023 Malibu | 11 | 19% |
| 2022 Malibu | 28 | 31% |
| 2021 Malibu | 13 | 16% |
| 2020 Malibu | 59 | 30% |
| 2019 Malibu | 61 | 32% |
| 2018 Malibu | 277 | 40% |
| 2017 Malibu | 252 | 36% |
| 2016 Malibu | 301 | 36% |
| 2015 Malibu | 69 | 26% |
| 2014 Malibu | 125 | 36% |
| 2013 Malibu | 204 | 24% |
Other reported problem areas on the 2003 Chevrolet Malibu
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.