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Home >> Oldsmobile >> 2000 >> Intrigue GL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1441: EVAP System Flow During Non-Purge >> Diagnostic Procedures

Diagnostic Procedures

  1. Perform On-Board Diagnostic (OBD) system check. See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK . After performing OBD system check, go to next step.
  2. Check if DTC P0453 is stored as history. If DTC P0453 is stored as history, diagnose using P0453 tests. If DTC P0453 is not set as history, go to next step.
  3. Disconnect EVAP purge line from purge solenoid valve. Connect a vacuum gauge to solenoid purge port. Start and operate engine at idle. Within 30 seconds, command EVAP purge solenoid valve off using scan tool. If vacuum gauge indicates a vacuum reading, go to next step. If vacuum gauge does not indicate a vacuum reading, fault is not present. See DIAGNOSTIC AIDS .
  4. Replace EVAP purge solenoid valve. After replacing solenoid valve, go to next step.
  5. Using scan tool, clear DTCs. Turn ignition off. Wait 30 seconds, then operate vehicle within conditions for setting this DTC. If scan tool indicates that this test ran and passed, go to next step. If scan tool does not indicate that this test ran and passed, go to step  2.
  6. Using scan tool, select CAPTURED INFO function. If any undiagnosed DTCs are displayed, go to applicable DTC test.
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