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Home >> Mazda >> 2006 >> 5 Sport, 2.3 L, Standard >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System L3) >> DTC P0125 >> Notes
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DTC P0125: Notes

DTC P0125 [L3] CHART

DTC P0125 Excessive time to enter closed loop fuel control
DETECTION CONDITION 
  • The PCM monitors the ECT sensor signal at PCM terminal 2AK after engine is started while the engine is cold. If the engine coolant temperature does not reach the expected temperature for specified period, the PCM determines that it has taken an excessive amount of time for the engine coolant temperature to reach the temperature necessary to start closed-loop fuel control.

    • Diagnostic support note 

  • This is a continuous monitor (Engine cooling system).
  • MIL illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
  • PENDING CODE is available if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA is available.
  • DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • ECT sensor malfunction
  • Cooling system malfunction
  • Poor connection of connectors
  • PCM malfunction
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