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Buick TSB #19-NA-044
2020 Buick Regal TourX
Affected Component: FUEL SYSTEM, GASOLINE
Date Published
FEB 07, 2024
NHTSA TSB #
10250505
TSB Document
MC-10250505-0001.pdf
Summary
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.