2003 Buick Regal Fuel system Problems
- Complaints
- 3about this part
- Share
- 3%of 101 total for the year
- Median mileage
- 138,994miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the fuel system of the 2003 Buick Regal, 3% of the 101 complaints for this model year. Where a mileage was given, the median is 138,994 miles. 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Oil leaks,05/22/2016. I have dad several hard breaking times -highway-and I have sense noticed oil leaking and smelled oil smoke from engine.I had recall #15757 back in 02/2016.called about parts to fif problem.they say they cant get parts,-on back order- been almost 6 months,still no parts.loudacrous.no excuse.”
NHTSA complaint #10876978, filed 2016-06, 180,000 miles“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 be able to put the fire out myself. The fire dept arrived, it took them at least 30 minutes to put the fire out. A county deputy arrived and there is a police report (I tried to upload it and it failed each time). …”
NHTSA complaint #11536533, filed 2023-08Related service bulletins
- 11004761Jun 28, 2024This 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…
- 10208027Jan 14, 2022This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester…
- 10199281May 25, 2021This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or…
- 10190437Mar 30, 2021This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible…
- 10176607May 8, 2020This technical 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…
- 10176310May 8, 2020This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. The ongoing…
- 10171878Jan 2, 2020This informational 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…
- 10157018Sep 20, 2017This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester…
- 10137635May 10, 2017This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.
- 10114831Nov 15, 2016This Preliminary Information communication provides information to the technician about engine block that have a possible cylinder bore damage, scoring or out of round as the…
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2019 | 1 | 5% |
| 2018 | 1 | 5% |
| 2016 | 1 | 2% |
| 2015 | 4 | 12% |
| 2014 | 2 | 5% |
| 2013 | 4 | 4% |
| 2012 | 2 | 2% |
| 2011 | 17 | 6% |
| 2004 | 1 | 2% |
| 2003 | 3 | 3% |
| 2002 | 5 | 4% |
| 2001 | 7 | 4% |
| 2000 | 7 | 4% |
| 1999 | 6 | 2% |
| 1998 | 4 | 1% |
| 1997 | 5 | 4% |
| 1996 | 19 | 9% |
| 1995 | 3 | 2% |
| 1994 | 2 | 2% |
| 1993 | 4 | 5% |
| 1992 | 1 | 1% |
| 1991 | 6 | 3% |
| 1990 | 3 | 4% |
| 1989 | 3 | 3% |
| 1988 | 7 | 6% |
Other parts of the 2003 Buick Regal
35 complaintsEngine
26 complaintsBrakes
10 complaintsEngine cooling
10 complaintsSteering
10 complaintsTransmission and drivetrain
7 complaintsWheels
6 complaintsExterior lighting
5 complaintsOther or unknown
5 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsAir bags
3 complaintsLatches, locks and linkages
2 complaints
← All problems reported for the 2003 Buick Regal
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology