1994 Buick Century Rough idle/poor performance

1994 BUICK CENTURY
176,000 MILES • 6 CYL • FWD • AUTOMATIC
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YRBESTDOG
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Starts OK, but idles rough and stumbles on acceleration when cold.This condition improves somewhat with warm engine, but still idles rough. Has good power on acceleration when warm. Have replaced spark plugs. What else should be done to improve performance?
Jul 4, 2008 at 9:10 PM
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