Coolant Temperature Sensor - CI - XEMS84
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eBayQH XEMS84 Coolant Level Sensor Fits ALFA ROMEO FIAT LANCIA SAAB SUZUKI VAUXHALL
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QH / CI COOLANT TEMPERATURE SENSOR XEMS84 SAME DAY DISPATCHFree delivery in 1–3 days£9.59Visit shop →
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My Motor WorldCi Ignition Xems84 Coolant Temperature Sensor
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Ci Ignition Xems84 Coolant Temperature SensorFree delivery in 1–3 days£9.99Visit shop →
Product Information
Full details
This CI Ignition Coolant Temperature Sensor (XEMS84) is for vehicle owners needing a reliable replacement part for accurate engine temperature monitoring. Its key benefit is ensuring optimal engine performance by providing precise temperature readings. A potential caveat is the need to verify specific vehicle compatibility before purchase. This sensor features a M12 x 1,5 thread, a 2-pin connector, green housing, and is a direct replacement for several OEM part numbers.
All features
| Model Part Number | XEMS84 |
|---|---|
| Brand | Ci Ignition |
Extended Product Information
FAQs
What vehicles is this coolant temperature sensor compatible with?
This sensor is equivalent to several OEM part numbers, including ALFAROME/FIAT/LANCI 40224602 and FORD 1538606. However, you must use the vehicle make and model tool on our site to confirm precise fitment for your specific vehicle.
What is the thread size and connector type?
The sensor features a M12 x 1,5 thread size and a standard 2-pin electrical connector.
What is the spanner size needed for installation?
The spanner size required for installation is 19 mm.
How do I know if my coolant temperature sensor needs replacing?
Symptoms include the check engine light illuminating, inaccurate temperature gauge readings, poor fuel economy, rough idling, or difficulty starting, especially when cold. Diagnostic trouble codes (DTCs) can also point to sensor failure.
Can I install this sensor myself?
Yes, if you have basic mechanical knowledge and the correct tools (including a 19mm spanner). Ensure the engine is cool and follow the installation steps carefully. Always verify compatibility first.
What is the purpose of the green housing color?
The green housing color is typically an indicator of the manufacturer or a specific production batch; it does not affect the sensor's functional performance.
What happens if I don't replace a faulty coolant temperature sensor?
A faulty sensor can lead to incorrect engine operation, potentially causing poor fuel efficiency, reduced performance, increased emissions, and in severe cases, engine overheating or damage due to improper temperature management.
Troubleshooting
Engine warning light is on (e.g., check engine light)
The most common cause is a faulty coolant temperature sensor sending incorrect data. Replace the sensor if diagnostics indicate it. Also, check the wiring harness and connector for damage or corrosion.
Inaccurate temperature gauge readings
A failing sensor can cause the temperature gauge to read erratically (too high, too low, or fluctuating wildly). Replacing the sensor often resolves this issue.
Poor engine performance or fuel economy
An incorrect temperature reading can cause the ECU to miscalculate fuel mixture. Replacing a faulty sensor can restore proper engine performance and fuel efficiency.
Difficulty starting the engine or rough idling
A sensor providing a falsely cold or hot reading can impact the ECU's ability to manage the air-fuel mixture, especially during cold starts. Verify sensor function and replace if necessary.
Pros and Cons
Pros
- Ensures accurate engine temperature readings for optimal performance.
- High-quality construction for long-lasting reliability.
- Direct replacement for multiple OEM part numbers, simplifying selection.
- Standard 2-pin connector for easy installation.
- Durable design suitable for demanding engine environments.
Cons
- Requires verification of vehicle fitment using a make/model tool.
- Specific thread size (M12 x 1,5) may not be universally compatible.
- Color (green housing) is aesthetic and doesn't impact function.
Setup, Compatibility & Care
Compatibility: Before purchasing, it is essential to use the vehicle make and model tool to confirm that the CI Ignition Coolant Temperature Sensor (XEMS84) is compatible with your specific car. While it is equivalent to several OEM part numbers, direct fitment must be verified.
Setup:
- Ensure the engine is cool before beginning.
- Locate the old coolant temperature sensor on your engine block or thermostat housing.
- Disconnect the electrical connector from the old sensor.
- Carefully unscrew and remove the old sensor. Be prepared for a small amount of coolant to escape.
- Apply a small amount of thread sealant (if recommended for your application) to the threads of the new sensor.
- Screw the new sensor into place by hand, then tighten gently with the appropriate spanner size (19 mm).
- Reconnect the electrical connector.
- Top up any lost coolant and check for leaks after running the engine.
Care: This is a non-serviceable electronic component. No regular maintenance or care is required beyond ensuring a secure connection and protecting it from physical damage. If the sensor is suspected to be faulty, it should be replaced.