Question about 1993 Buick Century
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Posted on Jan 02, 2017
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Mar 21, 2013 | 1993 Buick Century
Apr 27, 2017 | 1991 Buick Century
This problem is commonly caused by a dirty automatic idle speed control valve and throttle valve. Buy a can of throttle valve cleaner (do not use carburetor spray cleaner!) from NAPA or Carquest (made by CRC chemicals) and spray it into the air intake while the engine is running, use up about 1/2 the can, engine will try to stall hold the speed up, shut it down and let it soak for 30 minutes, restart and blow out the remaining fluid, shut it down and disconnect the negative battery cable for 5 Min's to reset the base idle control
Jul 22, 2012 | 2003 Buick Century
Nov 24, 2009 | 1999 Buick Century
Jun 13, 2009 | 1993 Buick Century
Mar 27, 2009 | 1990 Buick Century
Jan 06, 2009 | 1990 Buick Century
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