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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 145 (On-Board Diagnostic - Engine Control (2 Of 5)) >> DTC P013A; P013B; Pcm Ho2S: Slow Response (During Transition From Rich To Lean Or Lean To Rich) >> Repeatability Verification Procedure

Repeatability Verification Procedure

WARNING: This page is about a different car, the 2017 Mazda 3. 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 (Mode 2)) has been obtained and recorded.
  3. Clear the DTC from the PCM memory using the M-MDS. (See CLEARING DTC [PCM (SKYACTIV-G 2.0, SKYACTIV-G 2.5) .)
  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 (Mode 2)/snapshot data.
NOTE:
  • Match the engine coolant temperature in the recorded FREEZE FRAME DATA (Mode 2)/snapshot data, the vehicle speed, and engine speed values to the best extent possible while driving the vehicle.
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