1993 BUICK CENTURY fuel additives

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Page 225 of 324

BUICK CENTURY 1993  Owners Manual Fuel 
Use redar unleaded  gasoline  rated  at 87 octane  or  What  about  gasoline  with  blending  materials  that  contain 
oxygen,  such  as  MTBE  or alcohol? 
higher.-It  should  meet-specificati

Page 226 of 324

BUICK CENTURY 1993  Owners Manual Gasolines  for  Cleaner  Air 
Your use of gasoline  with  detergent  additives will help 
prevent  deposits 
from forming in your  engine  and fuel 
system.  That  helps  keep  your  engine  in  tune

Page 233 of 324

BUICK CENTURY 1993  Owners Manual 2.2L L4 Engine 
LOOK 
IR THI 
LABEL 
SAE 1OW-30 
AE 5W-31 REFERREI 
IF NEITHER SAE 5W-30  NOR SAE 1OW-30 GRADE OILS ARE  AVAILABLE,  SAE 30 GRADE  MAY BE USE0  AT TEMPERATURES 
ABOVE 40 DEGREES F (4

Page 312 of 324

BUICK CENTURY 1993  Owners Manual Engine  Coolant .......................... .238.  270.  272 
Checking 
& Adding ......................... .l95. 239 
Proper  Mixture 
to Use ............................ 239 
Safety  Warnings  About