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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 163 (Evaporative Emissions System) >> General Procedures >> Evaporative Emission System Leak Test >> Phase 1 - Leak Verification

Phase 1 - Leak Verification

WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
  1. Run the EVAP Test with the scan tool.
    2. NOTE: Some small leaks may not be detected using the EVAP Test. If the system has passed the test but a leak is still suspected, proceed to Phase 2.
  2. If the Evaporative Emission (EVAP) system failed the EVAP Test, proceed to Phase 2.
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