Service Engine Soon light came on for my 03 Buick Century?

  • Thread starter Thread starter honestly sweet
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honestly sweet

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I have a 2003 Buick Century, it runs real good and I always properly maintain it. I've had it since 2004 and I've really never had to pay for expensive repairs. This car has been good and reliable for me.

This morning out of nowhere the service engine soon light came on. My car isn't running different, so what could the problem be? Any and all advice will be greatly appreciated. Thank you!
Yes I have the oil changed every 2800-3000 miles.
 
I betcha its an O2 sensor, my mother has a Buick and she has had two replaced in two years.
Also, check all your filters, Fuel, air ect. sometimes that also trips the service light to come on.

Good luck.
 
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