DTC P0126 Insufficient Engine Coolant Temperature For Stable Operation: Trouble Symptom
WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
- Hard to start
- Improper idling
- Poor driving performance
CAUTION:
After servicing or replacing faulty parts, perform Clear Memory Mode < refer to
OPERATION , Clear Memory Mode. >, and Inspection Mode < refer to
PROCEDURE , Inspection Mode. >.
DIAGNOSIS PROCEDURE
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK FOR ANY OTHER DTC ON DISPLAY. | Is any other DTC displayed? | Check the appropriate DTC using the "List of Diagnostic Trouble Code (DTC)". < refer to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > | Go to step 2 . |
2 CHECK ENGINE COOLANT TEMPERATURE SENSOR.
|
Is the resistance of engine coolant temperature sensor different between when engine coolant is cold and after warmed up? | Repair the poor contact of ECM connector. | Replace the engine coolant temperature sensor. < refer to ENGINE COOLANT TEMPERATURE SENSOR . > |