2003 Chevrolet Impala engine problems
88 owner complaints filed with NHTSA name the engine on the 2003 Chevrolet Impala — 13% of all complaints for this model year.
What owners report
“Hey my name is [XXX] I recently took my Chevy impala for repairs they told me I need more repairs done I’m like cool my bottom of my car is rusted n my struts are bad n my oil pump n other stuff is not working as well I’m when I gave Chevy a call ball they took my they manager not to bring the car…”
filed Jun 26, 2022
“Vehicle shuts off when moving,turning or stopped at a traffic light. By switching to neutral, the engine may start after 1 or more tries. So far the failures have been on city streets and highways. But not interstates. The failures are many but unpredictable.”
filed Feb 26, 2021
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Affected vehicles were previously repaired under recalls 08V-118, 09V-116, and 15V-201 to…Campaign 15V701000 · Oct 26, 2015
- Engine and Engine CoolingCampaign 09V116000 · Apr 8, 2009
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 Impala years
| Year | Reports | Share |
|---|---|---|
| 2019 Impala | 2 | 7% |
| 2018 Impala | 7 | 12% |
| 2017 Impala | 21 | 18% |
| 2016 Impala | 20 | 18% |
| 2015 Impala | 19 | 6% |
| 2014 Impala | 56 | 9% |
| 2013 Impala | 30 | 11% |
| 2012 Impala | 40 | 16% |
| 2011 Impala | 125 | 25% |
| 2010 Impala | 88 | 20% |
| 2009 Impala | 179 | 22% |
| 2008 Impala | 134 | 17% |
Other reported problem areas on the 2003 Chevrolet Impala
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.