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EGR With EVRV Control

NOTE: For additional testing, see EGR/EVRV code tests in appropriate TESTS W/CODES article.
Fig 1: EGR & EVRV Location (Heavy-Duty Gasoline Models)
G50A11882Courtesy of GENERAL MOTORS CORP.
Fig 2: Servicing EVRV Filter (Heavy-Duty Gasoline Models)
G50B11883Courtesy of GENERAL MOTORS CORP.
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