Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Cadillac >> 2003 >> CTS Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0440: EVAP System - Large Leak Detected >> Diagnostic Procedures

Diagnostic Procedures

NOTE: EVAP Pressure/Purge Diagnostic Station (J- 41413) is required to pressurize EVAP system in the following test.
Fig 1: DTC P0440: EVAP System - Large Leak Detected (Steps 1-4)
G00249107Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC P0440: EVAP System - Large Leak Detected (Steps 5-15)
G00249108Courtesy of GENERAL MOTORS CORP.
Fig 3: DTC P0440: EVAP System - Large Leak Detected (Steps 16-20)
G00249109Courtesy of GENERAL MOTORS CORP.
scientia non olet · About Mike's Workshop Manuals