How do I know if my oven temperature sensor is bad?

Common signs include the oven not heating correctly, overheating, displaying temperature-related error codes, or having very long preheat times. Inconsistent baking or burning food can also indicate a faulty sensor.

Can I test an oven temperature sensor?

Yes, a temperature sensor can often be tested for resistance using a multimeter. The resistance value typically changes with temperature. Refer to your appliance's service manual for specific resistance values at room temperature.

Is it difficult to replace an oven temperature sensor?

For most models, replacing an oven temperature sensor is considered an easy to moderate repair. It usually involves removing a few screws, disconnecting a wire harness, and connecting the new part. Always ensure power is disconnected first.

Oven Temperature Sensor Replacement Guide

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What the W10181986 does

The oven temperature sensor monitors the internal temperature of the oven cavity. It sends this data to the control board to maintain the set baking or broiling temperature.

Symptoms when this part fails

Oven not heating to set temperature
Oven overheating or burning food
Error codes related to temperature
Long preheat times
Inconsistent cooking results

Compatibility

Fits the Whirlpool family. Specifically:

Any unit originally equipped with OEM part number(s): W10131826, WPW10181986VP, PS11749737, AP6016450, 8273902, 1394200.
Check the model/rating plate inside your appliance and compare it against the fitment table on the product listing before ordering — this guide does not list specific compatible models because Amazon does not provide verified fitment data through this pipeline.

Also replaces: W10131826, WPW10181986VP, PS11749737, AP6016450, 8273902, 1394200

Tools you'll need

Screwdriver
Wire strippers (if needed)
Pliers

Difficulty: Easy · Time: 15-30 minutes

How to install the W10181986, step by step

Disconnect power to the oven at the circuit breaker.
Locate the sensor inside the oven cavity, usually at the top rear.
Remove mounting screws securing the sensor.
Carefully pull the sensor into the oven cavity to access the wiring.
Disconnect the old sensor's wiring connection.
Connect the new sensor's wiring, ensuring a secure connection.
Mount the new sensor with screws and push excess wire back.
Restore power and test oven operation.

Related troubleshooting

If swapping this part doesn't fix the issue, check these next: