2003 Buick Regal engine problems
26 owner complaints filed with NHTSA name the engine on the 2003 Buick Regal — 26% of all complaints for this model year.
What owners report
“I backed the car in drive and the guages were normal. When I got out I saw a small amount of smoke coming from under car but within a minute there were flames coming from under the car and within a few minutes the flames were above the car. I called 911 when I saw flames and knew I wasn't going to…”
filed Aug 4, 2023
“Tl* the contact owns a 2003 buick regal. The contact stated that while driving at 55 mph, the vehicle repeatedly shut off without warning after multiple attempts. Upon inspection of the vehicle, the contact's friend opened the vehicle's hood and discovered that the engine was engulfed in flames…”
filed Aug 3, 2020
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
- Engine and Engine CoolingCampaign 08V118000 · Mar 12, 2008
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 Regal years
| Year | Reports | Share |
|---|---|---|
| 2018 Regal | 5 | 26% |
| 2016 Regal | 5 | 12% |
| 2015 Regal | 9 | 27% |
| 2014 Regal | 9 | 24% |
| 2013 Regal | 9 | 10% |
| 2012 Regal | 21 | 23% |
| 2011 Regal | 108 | 39% |
| 2004 Regal | 18 | 27% |
| 2002 Regal | 33 | 28% |
| 2001 Regal | 52 | 28% |
| 2000 Regal | 28 | 15% |
| 1999 Regal | 49 | 20% |
Other reported problem areas on the 2003 Buick Regal
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.