P0116 Toyota – Comprehensive Guide to ECT Sensor Testing and Thermostat Replacement

If your Toyota is displaying a P0116 error code, there are two practical solutions you can implement to fix the issue at home. The P0116 error code indicates that the engine control module’s engine coolant temperature (ECT) monitor has detected that the ECT sensor’s range or performance is not as expected.

Method A: ECT Sensor Testing

In most cars, the primary ECT sensor is located near the thermostat in the cylinder head. Start by removing the ECT sensor from the engine and using a multimeter to perform a test. At an ambient temperature of 68 degrees Fahrenheit, the sensor resistance should fall between 2000 ohms to 3000 ohms. If there is no reading, it indicates a faulty ECT sensor that needs replacement.

Method B: Thermostat Replacement

The thermostat is usually located near the water pump on the cylinder head. Carefully remove the thermostat from the engine after ensuring it has cooled down. Install a new thermostat, ensuring the correct orientation with the short end facing the hose and the deep end facing the engine. Position the jiggle valve straight up to allow air to pass through the system.

After implementing the repair, use a scanning tool to clear the error code and rescan the vehicle to ensure the issue has been resolved.

For more information on car expenses and a free engine code scanner, check the description link below the video.

What does the error code P0116 indicate in a Toyota?

The error code P0116 indicates that the engine control module (ECM) has detected that the Engine Coolant Temperature (ECT) sensor range or performance is not as expected.

What are the practical solutions to fix the error code P0116 in a Toyota?

There are two practical solutions: 1. Method A: Test the ECT sensor using a multimeter and replace it if it does not give the correct reading. 2. Method B: Replace the thermostat by carefully removing the old one and installing a new thermostat correctly, ensuring the jiggle valve is positioned straight up.

How can the error code be cleared after the repair?

After the repair, the error code can be cleared using the Zeus app by tapping the rescan button to ensure that the issue has been resolved.

How can I save money on car expenses related to engine codes?

You can claim a free engine code scanner at the description link below the video or check out the provided video for more information.

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