DTC P0125: Notes

2006 Mazda 6 i, 4D Sedan, AutomaticSECTION Notes
DTC P0125 DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0125 Excessive time to enter closed loop fuel control
DETECTION CONDITION 
  • The PCM monitor ECT sensor signal at PCM terminal 2AH after engine is started at the engine is cold. If engine coolant temperature does not reach the expected temperature for specified period, 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 PCM detects above malfunction condition in two consecutive drive cycles or in one drive cycle while DTC for the same malfunction has been stored in PCM.
  • PENDING CODE is available if PCM detects the above malfunction condition during first drive cycle.
  • FREEZE FRAME DATA is available.
  • DTC is stored in PCM memory.
POSSIBLE CAUSE 
  • ECT sensor malfunction
  • Poor connection of connectors
  • Engine cooling system malfunction
  • PCM malfunction
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
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