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January 1, 2000 Service bulletin

Certain vehicles equipped with diesel engines may exhibit engine air induction contamination

Chevrolet technical service bulletin 99078 for 1997-1999 Chevrolet T-Series and 1997-1999 GMC T-Series.

Bulletin number
99078
Component
Engine and engine cooling: engine: gasoline
Summary
Certain vehicles equipped with diesel engines may exhibit engine air induction contamination. Tt

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