8942220010 Toyota SENSOR, DIESEL ENGINE WATER TEMPERATURE, Price: 46.39$, Weight: 0.031kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Toyota |
8942220010 |
SENSOR, DIESEL ENGINE WATER TEMPERATURE |
0 |
0.031 |
|
46.39$ |
| Not Available | ||||||
Originals
Diesel Coolant Temperature Sensor for Toyota Engines
This small sender reads engine water temperature and tells the ECU what the coolant is doing. On a Toyota diesel, itβs a key input for fueling, glow plug time, fan control, gauge reading, and emission strategy. A healthy sensor keeps starts clean, power smooth, and temps stable.
Why you need it β
Accurate coolant data helps the ECU set cold-start enrichment, injection timing, idle speed, and EGR. It also triggers the radiator fan and protects the engine from overheating. Without a correct signal, the system guessesβand guesses cost money and parts.
How it works βοΈ
Inside is an NTC thermistor in a sealed brass body. As coolant warms, resistance drops. The ECU reads the voltage across the sensor and converts it to temperature. Threaded into the water jacket or housing, it reacts fast and feeds a stable signal under all loads.
What happens if it fails
- Hard cold starts, rough idle, and black smoke
- Poor fuel economy and flat throttle response
- Radiator fan stuck on or not coming on in time
- False dash gauge reading, overheating risk
- Check Engine Light, codes like P0115βP0119
- DPF regen issues on newer diesels
Tech notes and fitting tips οΈ
Test with a multimeter: resistance should drop as temperature rises. Install on a cool engine, use the correct seal or washer, and torque to spec (typically 15β25 Nm). Clean the connector, avoid overtightening, and bleed air from the cooling system.
Quality and benefits
OE-grade build, corrosion-resistant body, and fast thermal response. Restores accurate coolant data, smoother warm-up, better economy, and longer engine life on your Toyota diesel.