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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 104 (On-Board Diagnostic - Engine Control System (3 Of 4)) >> DTC P1450-00: Evaporator System - Abnormal Negative Pressure In Fuel Tank >> Repeatability Verification Procedure

Repeatability Verification Procedure

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
  1. Set the remaining fuel quantity in the fuel tank between30-85 %.
  2. Verify that OBD-II information (such as freeze frame data) has been obtained and recorded.
  3. Clear the DTC from the PCM memory using the M-MDS. (See CLEARING DTC .)
  4. Start the engine and switch the ignition off after5 shave elapsed.
  5. Leave the vehicle for 6 hours or more.
  6. Start the engine and leave it idling for 2 min.
  7. Drive the vehicle for30 minute a speed of50 km/h {31 mph} or more (to increase temperature in fuel tank and generate evaporative gas).
    NOTE:
    • If driving the vehicle for 30 minutes at speed of 50 km/h {31 mph} or more is not feasible, the vehicle can be driven for a continuous 15 min or more with the engine coolant temperature at 80°C {176°F} or more.
  8. Stop the engine.
  9. Leave the vehicle for 1 hours or more.
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