By RunningRoo Auto Parts — written from the desk of our Product Manager
The coolant temperature sensor reports engine temperature to the ECU. A faulty sensor can cause poor cold starting, incorrect fuel mixture or inaccurate temperature readings.
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What to check
| Check | Why |
|---|---|
| Engine code | Correct fitment |
| Connector style | Correct plug |
| Thread size | Correct fitting |
| Warranty | Supplier support |
Key takeaways
Confirm the engine code and connector, replace the sensor, and check the coolant level and thermostat at the same time.
Frequently asked questions
How do I confirm the right sensor?
Engine code and VIN.
Can a faulty sensor cause overheating?
It can cause incorrect temperature readings.
Should I replace the thermostat too?
Often yes.
Can I buy from eBay?
Yes.
How long does replacement take?
Usually under an hour.
Does it need coding?
No.
Should I check the coolant?
Yes.
Is a quality sensor worth it?
Yes.
Shop the products mentioned in this guide
- Coolant Temperature Sensor for GM / GMC TPI / TBI / LT1 / LS1 / LS2
- Coolant Thermostat Housing for Holden Cruze JH / Trax / Opel Astra A14NET
- Water Pump & Thermostat Kit for Audi A4 / A5 / A6 / A7 / TT, Škoda / VW
- RunningRoo Auto Parts eBay Store
Watch on RunningRooAuto YouTube
- RunningRoo Auto Parts – trusted Melbourne parts support
- RunningRoo Auto Parts – product and fitment channel
RunningRoo Auto Parts – Based in Melbourne, Australia 🇦🇺
📞 Free 24/7 Pickup Available (Contact 0425890125)
💬 Any questions? Message or Call us anytime! We’re here to help.Why Choose RunningRoo?
✅ Aussie Owned & Operated | 🚚 Fast Shipping | 🤝 Friendly Support
Sources and further reading
- Coolant temperature sensor — Wikipedia
- RACV — car maintenance and repair guidance
- CarsGuide — Australian motoring advice
RunningRoo Auto Parts – Based in Melbourne, Australia 🇦🇺
📞 Free 24/7 Pickup Available (Contact 0425890125)
💬 Any questions? Message or Call us anytime! We’re here to help.Why Choose RunningRoo?
✅ Aussie Owned & Operated | 🚚 Fast Shipping | 🤝 Friendly Support