Where is the coolant temp sensor on a Mazda 3?
Hello, I changed the Coolant Temp Sensor in my Son’s 2004 Mazda 3 (4 Door Sedan 2.0) today. After some help from my neighbor we found it. It is located in the place where one of you posted in this thread. Here is a pictures of the CT Sensor.
What should the temp of the coolant sensor be?
Check that the temperature value of the CTS is around 80-90c when the engine is hot. A lot of engine coolant temperature sensors have two wires and the sensor is controlled by Ohm. Get a wiring diagram and find out what ohms you should have at a specific temperature to check the function.
Can a bad coolant sensor cause a car to not start?
Some cars use the engine coolant temperature sensor to control the electric cooling fans. You have two separate temperature sensors for the fans, dashboard gauge, and engine management in most cars. However, if your car has a single sensor, a bad engine coolant temperature sensor may result in your fans won’t start at all.
What should coolant temperature be on Mazda 3?
Mazda 3 Service Manual / Engine / Cooling / Engine Coolant Temperature (ECT) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5] When the engine is hot, it can badly burn.
Where is the coolant temperature sensor located on a car?
The first item that needs to be completed after you compiled all of your tools and assets is to locate the coolant temperature sensor. In the image above, you can see that most coolant temperature sensors are located on the top, driver side of the engine. However, the location of this sensor may be different with your specific engine.
Where is the temp sensor on a Mazda 3?
On the far side of the engine (from the passenger side, you will see two wires sticking out from the “back” of the engine attached to a grey plug. That is where the temp sensor is. I ordered mine from thepartsbin.com – $38.45 including shipping – it arrived the following day.
How can I check the coolant level in my car?
Step 1: Start the vehicle. Let it warm up to operating temperature. Step 2: Check for leaks. Be sure to check for leaks from the radiator drain plug, petcock, or the coolant temperature sensor. Step 3: Check to see if the check engine or low coolant level light is illuminated.
How to cool the engine in a Mazda 3?
Wipe off any oil or engine coolant if it gets on the ECT sensor No.2 installation area. 6. Install in the reverse order of removal. 7. Refill the engine coolant.. ECT Sensor No.1 Resistance inspection WARNING: When the engine is hot, it can badly burn. Turn off the engine and wait until it is cool before removing the ECT sensor. 1. Remove the …
How to remove the ECT sensor from a Mazda 3?
Turn off the engine and wait until it is cool before removing the ECT sensor. ECT Sensor No.1 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Drain the engine coolant.. 4. Remove the battery and battery tray.. 5. Disconnect the ECT sensor No.1 connector. 6. Remove the ECT sensor No.1 using the SST . 7.
What does the coolant temperature sensor do on an engine?
The engine coolant temperature sensor’s job is to measure the coolant temperature for the engine control module. With this information, the engine control module adjusts the air-fuel mixture depending on the temperature. This article will discuss the most common symptoms of a bad coolant temperature sensor, location, replacement cost.
When to replace the coolant temperature sensor on a Mazda 3?
This video describes the replacement of the coolant temperature sensor on a Mazda 3. In this case the vehicle is from model year 2006. The reason for this repair is the occurrence of the trouble code P0118 on the ODB-II port. After replacing the sensor the trouble code and the check engine light may not disappear immediately.
Turn off the engine and wait until it is cool before removing the ECT sensor. ECT Sensor No.1 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Drain the engine coolant.. 4. Remove the battery and battery tray.. 5. Disconnect the ECT sensor No.1 connector. 6. Remove the ECT sensor No.1 using the SST . 7.
Wipe off any oil or engine coolant if it gets on the ECT sensor No.2 installation area. 6. Install in the reverse order of removal. 7. Refill the engine coolant.. ECT Sensor No.1 Resistance inspection WARNING: When the engine is hot, it can badly burn. Turn off the engine and wait until it is cool before removing the ECT sensor. 1. Remove the
How to remove a defective coolant temperature sensor?
Make sure to release the pressure from the cooling system before starting to remove the defective coolant temperature sensor. Also make sure that the coolant is cold. Never try to open the coolant system with the system hot and pressurized!! Loading…