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This video, taken from Buick's Know-how Series (KH-185), presents driveability diagnosis and repair for the 1991 5.0L, 1992/93 5.7L throttle-body engines as well as 1994/1995 5.7L fuel-injected engines. Features covered include: two main diagnostic approaches, list of tips and things to look for with the Roadmaster driveabilty issues, and Q&A's from Know-how questionnaires.