FixVault
Home › Oldsmobile › 2003 › Aurora › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Tests › DTC P0404: EGR Open Position Performance › Diagnostic Procedures

Diagnostic Procedures

Fig 1: DTC P0404: EGR Open Position Performance (Steps 1-10)
G00248505Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC P0404: EGR Open Position Performance (Steps 11-18)
G00248506Courtesy of GENERAL MOTORS CORP.
About FixVault