What are the functions of coolant temperature sensors and how can they be tested,remove and install on 1998 Mazda Millenia?

The temperature sensor of the coolant is a variable resistor, where the resistance to the temperature varies and the computer will know the operating temperature of the engine. This information plays a critical role in the process of the air/fuel mixture as well as ignition timing. In order to test, the sensor may be heated in water and its resistance measured.

Genuine 1998 Mazda Millenia Coolant Temperature Sensors

Coolant Temperature Sensor

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2 Coolant Temperature Sensors found

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1998 Mazda Millenia Coolant Temperature Sensor Part Number: B593-18-840A
$48.19 MSRP: $64.27
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Product Specifications
- Other Name: Sensor, Temperature-Engine Coolant
- Replaces: B593-18-840
- Item Weight: 0.70 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: B593-18-840A
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
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Fits the following 1998 Mazda Millenia Submodels:
- Base, L, Millennium Edition, S | 6 Cyl 2.3 L GAS, 6 Cyl 2.5 L GAS
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1998 Mazda Millenia Temperature Sensor Part Number: D112-61-762
Product Specifications
- Other Name: Sensor, Water Temperature; Temperature Sensor
- Item Weight: 0.60 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: D112-61-762
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following 1998 Mazda Millenia Submodels:
- Base, L, Millennium Edition, S | 6 Cyl 2.3 L GAS, 6 Cyl 2.5 L GAS

1998 Mazda Millenia Coolant Temperature Sensors Parts and Q&A

Q: What are the functions of coolant temperature sensors and how can they be tested,remove and install on 1998 Mazda Millenia?
A: The temperature sensor of the coolant is a variable resistor, where the resistance to the temperature varies and the computer will know the operating temperature of the engine. This information plays a critical role in the process of the air/fuel mixture as well as ignition timing. In order to test, the sensor may be heated in water and its resistance measured.