DTC P0125: Notes

2006 Mazda 6 s, 4D Sedan, StandardSECTION Notes
DTC P0125 [AJ] DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0125 Excessive time to enter closed loop fuel control
DETECTION CONDITION 
  • The PCM monitors the ECT sensor signal at PCM terminal 2AQ after the engine is cold started. If the Engine coolant temperature does not reach the expected temperature in a certain 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 the 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 PCM memory.
POSSIBLE CAUSE 
  • ECT sensor malfunction
  • Connector or terminal malfunction
  • 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.
  • The engine overheats, stalls repeatedly, or misfires under load.
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