Is your defective Cadillac CT4 actually a LEMON?

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Cadillac TSB #19-NA-044

2021 Cadillac CT4

TSB Document:

MC-10218873-0001.pdf

Affected Component: FUEL SYSTEM, GASOLINE

Summary: This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

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Date Published: AUG 10, 2022
NHTSA TSB #: 10218873

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