Question about 1999 Buick Century

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1997 buick century

Runs rough, check engine light is flashing

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  • Lmosrie Nov 24, 2008

    We replaced spark plugs and wires and fuel filter - still runs rough intermittently and check engine light flashes , then goes solid. Bad gas??

  • Anonymous Mar 24, 2014

    check engine light flashing, engine running rough

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  • Master
  • 341 Answers

You need to fine out what the codes are . take it to autozone they will check it free

Posted on Oct 22, 2008

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Buick Century 97 runs rough and stutters when cold and gas applie


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