DTC P0125 - Excessive Time To Enter Closed Loop
WARNING: This page is about a different car, the 1996 Suzuki X-90. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect negative battery cable. Drain cooling system. Disconnect ECT sensor harness connector and remove sensor from engine. Using an ohmmeter, measure resistance of ECT sensor while immersed in container of water. Heat or cool water and compare with values of the ECT SENSOR RESISTANCE table. Replace ECT sensor if resistance is not as specified. If ECT sensor is okay, go to next step.ECT SENSOR RESISTANCE
Temperature °F (°C) Ohms 32 (0) 5210-6370 68 (20) 2210-2690 104 (40) 1140 140 (60) 580 176 (80) 290-350 - Check thermostat for proper operation. Replace thermostat if necessary. If thermostat is okay, replace PCM. Retest system.