DTC P0125: Excessive Time To Enter Closed Loop Fuel Control: Condition
WARNING: This page is about a different car, the 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set when engine coolant temperature has not increased to 78°F (25.5°C) after engine is started cold and default period of time has passed. This is a continuous monitor. MIL is illuminated when Powertrain Control Module (PCM) detects malfunction during 2 consecutive drive cycles. Possible causes are:
- Engine Coolant Temperature (ECT) sensor malfunction.
- PCM malfunction.