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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 74 (On-Board Diagnostic - Engine Control System (1 Of 4)) >> DTC P013B-00: Ho2S - Slow Response (During Transition From Lean To Rich) >> 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. Warm up the engine to allow the engine coolant temperature to reach 80°C {176°F} or more.
  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. Switch the ignition off.
  5. Drive the vehicle for 15 min at a speed of 40 km/h {25 mph} or more.
  6. Shift to 3rd gear and rapidly accelerate the vehicle to 60 km/h {37 mph}.
  7. Release the accelerator pedal and decelerate the vehicle to 40 km/h {25 mph}.
  8. Repeat Step  5 to  7 operations above 5 times.
  9. Try to reproduce the malfunction by driving the vehicle for 5 min based on the values in the freeze frame data/snapshot data.
    NOTE:
    • Match the engine coolant temperature in the recorded freeze frame data/snapshot data, the vehicle speed, and engine speed values to the best extent possible while driving the vehicle.
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