1999 BUICK CENTURY spark plugs replace

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Page 295 of 344

BUICK CENTURY 1999  Owners Manual yellowblue     
6-65 Engine Specifications
Type V6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Displacement 191 CID. . . . . . . . . . . . . . . . . . . . . . . . 
Firing O

Page 308 of 344

BUICK CENTURY 1999  Owners Manual Scheduled Maintenance
yellowblue     
7-12
100,000 Miles (166 000 km)
Inspect spark plug wires. 
An Emission Control Service. 
Replace spark plugs. 
An Emission Control Service.
Change automatic tr