Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

How to Replace the Temperature Sensor on a Mazda 3 2.3L

Model: Mazda 3 BL, MK 2 - Years: 2009, 2010, 2011, 2012, 2013
Part: Engine coolant temperature sensor

See other generations:
Video tutorial

Today, you will see the main instructions that will allow you to remove and replace the temperature sensor on the Mazda 3 2.3L by following these simple steps. First, open the bonnet of your car and locate the temperature sensor, which is found behind the engine block (under the brake fluid reservoir).

Then disconnect the electrical connector from the sensor and unscrew the fixing screws to remove it. At this point, install the new original temperature sensor, connect it, and check its operation!


Updated on 1 July 2026 by ScegliAuto


Related tutorials

How to Replace the Coolant Temperature Sensor in a Mazda 3?
How to Replace the Coolant Temperature Sensor in a Mazda 3?
Mazda 3 (2003-2009 / BK, MK 1) Replacing the coolant temperature sensor in a Mazda 3, as shown in this tutorial, is an extremely simple and quick task. Before proceeding, wait for …
How to Remove the Outside Temperature Sensor on a Mazda 3
How to Remove the Outside Temperature Sensor on a Mazda 3
Mazda 3 (2003-2009 / BK, MK 1) In this guide, remove the outside temperature sensor on a Mazda 3. Lift the car on a column lift and remove the wheel. To access the temperature sens…
Coolant Temperature Sensor Replacement
Coolant Temperature Sensor Replacement
Mazda 3 (2003-2009 / BK, MK 1) It is advisable to perform this maintenance with the engine cold to avoid unpleasant burns; the coolant temperature sensor is located at the rear rig…

How to Reset the AdBlue Warning Light on a Peugeot Boxer

To reset the AdBlue system on a 2018 Peugeot Boxer, follow these steps: Start the engine and ensure the vehicle is parked in a well-ventilated area. Locate the "MENU" button on the dashboard or steering wheel controls. Press and hold the "MENU" button until the menu options appear on the display. Use the arrow buttons or scroll wheel to access the "Vehicle Settings" or "Settings" menu. Select the "AdBlue" or "AdBlue System" option. Look for the "Recharge" or "Reset" option in the AdBlue menu. Once you find the reset option, select it and confirm your choice when prompted. The system will be reset, and a confirmation message may appear on the display. Turn off the engine and wait a few seconds. Restart the engine and check that the AdBlue system has been reset.

Watch the video!


by ScegliAuto

More videos