2003 Buick won't stay started

Asked by Feb 13, 2017 at 10:51 AM about the 2003 Buick Century Sedan FWD

Question type: Maintenance & Repair

My car would only start if I give it a
jump so I assumed it was the
battery so I replaced it with a
brand new battery the car worked
fine for 3 days went to go start the
car on the 4th day drove it to the
gas station once I put gas in her
went to start it back up and it
would start but will not stay
running my husband put his foot
on the gas and brake at the same
time and it stayed started long
enough for him to drive it around
the corner to our house as he pulls
in the parking space it cuts off by
itself.. also I smell a egg like smell
coming from the car

5 Answers


Replace your alternator.

OK thanks so much and do the egg smell have anything to do with the replacement of the alternator

I would also like to know should I keep the new battery or can I put the old one back in since it wasn't the problem and get my money back


I would have the old one tested. They will tell u if you need to keep the new one. As for the egg smell, when a vehicle is running low voltage they don't smell great. Alternator should solve your problems.

1 of 1 people found this helpful.

That egg-like smell is the catalytic converter, when they go bad they can plug up, restricting the exhaust system and making it very to keep running, without riding the gas pedal. A temporary fix is to remove it but you won't pass smog emissions and you'll throw some O2 codes, the proper fix is to replace it but they're not cheap. As to the battery situation, go to any auto parts store, and have them run a free charging system test, then you'll know if the battery and alternator are good or need to be replaced.

Your Answer


Looking for a Used Century in your area?

CarGurus has 10 nationwide Century listings and the tools to find you a great deal.

Postal Code:

Buick Century Experts

  • #1
    John Saffrahn
  • #2
    Tom Demyan
  • #3
    John Pate
View All

Related Models For Sale

Used Buick LeSabre
10 listings starting at $3,795
Used Buick Regal
5 Great Deals out of 220 listings starting at $6,495
Used Chevrolet Impala
150 Great Deals out of 1,097 listings starting at $2,488
Used Chevrolet Malibu
69 Great Deals out of 1,828 listings starting at $2,495
Used Toyota Camry
34 Great Deals out of 1,926 listings starting at $1,950
Used Honda Accord
54 Great Deals out of 1,245 listings starting at $1,350
Used Chevrolet Monte Carlo
15 listings starting at $4,995
Used Honda Civic
261 Great Deals out of 4,541 listings starting at $1,980
Used Ford Taurus
39 Great Deals out of 330 listings starting at $5,555
Used Pontiac Grand Prix
58 listings starting at $8,950

Used Cars For Sale

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.