October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

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)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Servicing EVRV Filter (Heavy-Duty Gasoline Models)

Courtesy of GENERAL MOTORS CORP.