Low engine coolant temperature mazda 3

2007 Mazda 3 - Threw a CEL - (P0128 - Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature) Fixed CEL by Replacing Thermostat - I Flushed Coolant and Replaced Thermostat - New Problem - -After replacing thermostat and adding new coolant - Heater blows cool air when at idle even when temp is engine temp is normal.

Mazda CX-5 coolant warning light - The light illuminates continuously when the engine coolant temperature is low and turns off after the engine is warm. If the low engine coolant temperature indicator light remains illuminated after the engine has been sufficiently warmed up, the temperature sensor could have a malfunction.Re: blue coolant light Post by thepiedpiper » Wed Aug 01, 2018 12:58 pm My wife called me up the other day to tell me a blue light had come on so i logged on to this forum and found out that it was just a temperature light which goes off after the engine has warmed up.
Buy 2005 Mazda 3 Engine Coolant Temperature Sensor in Canada. Save on every Mazda Engine Coolant Temperature Sensor in Canada when you shop at AutoPartsWAY.ca

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The coolant temperature sensor, abbreviated as CTS, in your car is an important device that enables the control unit to give alerts if the engine is overheating or if the temperature within the system is rising for some reason.. The Coolant Temperature Sensor's Function. This device works on the principle of dependence of potential difference in temperature.

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Low engine coolant temperature mazda 3

The coolant should be at full in the radiator and between the FULL and LOW marks on the coolant reservoir when the engine is cool. If it's at or near LOW, add enough coolant to the coolant reservoir to provide freezing and corrosion protection and to bring the level to FULL.

The coolant temperature sensor regulates the internal temperature of the combustion engine. Initialized in OBD (on-board diagnostic) and OBD II (vehicles manufactured from 1996 and beyond), the sensor is immersed in the coolant system in order to monitor the coolant protection level.
Jan 29, 2020 · If your Mazda 3 has registered it, means that the ECM/PCM is getting a signal from the engine coolant temperature sensor (ECT) that the engine is not warm enough to enter closed loop fuel control. P0125 is usually caused by a bad thermostat, low coolant, or a bad ECT sensor. 2007 Mazda Mazda3 Engine Problems. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2007 Mazda Mazda3 problems occur, check out our car reliability stats.

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Ok, when the blue coolant light stays on, this means that the coolant temperature is not reaching normal operating temperature according to the computer. This is either a faulty reading from the engine coolant temperature sensor or the thermostat is sticking open causing the coolant to continuously flow and never get to proper temperature.

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