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Evaporative Emission System Leak Test

WARNING: This page is about a different car, the 2003 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  • The evaporative emission system must not be pressurized to more than 3.48 kPa (14 inches H2 O) or damage to the evaporative emission system may occur.
  1. Connect the Evaporative Emission System Leak Tester to the evaporative emission test port.
  2. Close the canister vent solenoid. refer to CANISTER VENT SOLENOID CLOSING PROCEDURE  .
  3. Pressurize the evaporative emission system to 3.48 kPa (14 inches H2 O).
  4. Monitor the system for two minutes. The system fails the leak test if the pressure falls below 2.0 kPa (8 inches H2 O).
  5. Repair any leaks as necessary.
  6. Repeat the leak test until the system remains above 2.0 kPa (8 inches H2 O) after the two-minute test period.
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