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DTC P1404: EGR System Performance
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Diagnostic Procedures
Diagnostic Procedures
Fig 1: DTC P1404: EGR System Performance (Steps 1-11)
Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC P1404: EGR System Performance (Steps 12-20)
Courtesy of GENERAL MOTORS CORP.
Courtesy of GENERAL MOTORS CORP.
Courtesy of GENERAL MOTORS CORP.