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Fuel systemPart report

2003 Buick Century Fuel system Problems

Complaints
4about this part
Share
3%of 127 total for the year
Median mileage
87,253miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the fuel system of the 2003 Buick Century, 3% of the 127 complaints for this model year. Where a mileage was given, the median is 87,253 miles.

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.

“Every Buick owner, I have talked to at about 80,000 to 100,000 miles has to replace intake manifold and bolts. This is about a $1200.00 job, gaskets and bolts should last a lot longer.”

NHTSA complaint #10678391, filed 2015-01, 87,253 miles

“The vehicle's gas tank won't hold much and clicks as if full. Also, when on uneven pavement or ground, the ⛽ gas warning light comes on, even after gas was just put in. In addition, at times I smell a burning electrical smell and the headlights go out, the brights fail to click on or goes off by itself. The turn signal lights have to be turned manually to blink. All turn signal lights have been replaced multiple times and this does not fix the problem. The back turn signals work and light up, but not the front & blink at a faster rate. …”

NHTSA complaint #11403916, filed 2021-03

“Service engine light and gas light came on. Code read at autozone indicated po135- oxygen sensor. Two days later, both check engine lights came on, security, battery and gas lights. Even revved up and had other issues with fuel economy and compressor kicking on and failing to start. Other issues, popping noise when turning steering wheel. The consumer stated the manufacturer was contacted. The manufacturer offered a loyalyty certificate a leased vehucle or a possible reimbursement of 500.00 for repairs. Neither of the remedies satisfied the consumer. …”

NHTSA complaint #11405509, filed 2021-03

“While driving consumer smelled a gas odor inside the vehicle. Windows must be rolled down in order for the consumer to drive the vehicle. Dealership was unable to detect the intermittent failure.”

NHTSA complaint #10071716, filed 2004-07

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
200515%
2004615%
200343%
200275%
200132%
200095%
1999115%
1998126%
199733%
19961114%
199566%
199477%
199336%
199125%
199013%
198925%
198714%
198615%

Other parts of the 2003 Buick Century

Exterior lighting
48 complaints
Electrical system
23 complaints
Brakes
16 complaints
Engine cooling
13 complaints
Body and structure
11 complaints
Steering
7 complaints
Transmission and drivetrain
6 complaints
Vehicle speed control
6 complaints
Suspension
5 complaints
Visibility (wipers, defrost, mirrors)
5 complaints
Tires
4 complaints
Air bags
3 complaints

← All problems reported for the 2003 Buick Century

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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