Coolant Temperature Sensor - Ci Ignition - XTT39

Best current price£13.99from My Motor World
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Ci Ignition Xtt39 Temperature Transmitter
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Best current price£13.99from My Motor World
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Ci Ignition Xtt39 Temperature Transmitter
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This guide is for vehicle owners and mechanics seeking to replace or understand the Ci Ignition XTT39 Coolant Temperature Sensor. Its key benefit is providing accurate coolant temperature readings for optimal engine performance and efficiency. A potential caveat is ensuring compatibility with specific vehicle makes and models before purchase. The XTT39 sensor features a 1/8"" BSPT thread, a single-pin connector, and a 13mm spanner size, designed as a reliable replacement for various automotive applications.
| Model Part Number | XTT39 |
|---|---|
| Brand | Ci Ignition |
It measures the temperature of the engine's coolant and sends this information to the vehicle's computer (ECU). The ECU uses this data to optimize fuel delivery, ignition timing, and fan operation for efficient and safe engine running.
Common symptoms include a Check Engine Light, poor fuel economy, rough idling, engine overheating or running too cool, and inaccurate temperature gauge readings.
The thread size is 1/8"" BSPT.
A 13mm spanner is typically required for installation or removal.
It is compatible with various models, including specific HONDA, KIA, MAZDA, and FORD vehicles, as well as others. Always check the detailed compatibility list and cross-references.
Basic hand tools such as a spanner (13mm) and potentially a socket set are usually sufficient. Ensure the engine is cool before starting.
The XTT39 has a round, 1-pin connector. Ensure this matches your vehicle's wiring harness connector. If it does not match, it may not be compatible.
Verify the sensor is correctly installed and the connector is secure. Check for leaks around the sensor threads. If issues persist, the sensor may be faulty and require replacement.
Scan the vehicle's OBD-II system for diagnostic trouble codes (DTCs) related to the engine coolant temperature sensor. If codes point to the sensor circuit or reading, inspect the sensor and its wiring. Replace the sensor if it is found to be faulty.
Ensure the sensor is properly seated and the electrical connection is clean and secure. A faulty sensor is the most common cause of an inaccurate gauge.
Compatibility Check: Before installation, verify that the XTT39 sensor is compatible with your vehicle's make, model, and year. Check the listed cross-references and OEM part numbers against your vehicle's existing component or service manual. Key compatible OEM references include FORD E92Z10884C, HONDA 37750PC1004, KIA KK1501851X, and MAZDA G60718510.
Installation: Ensure the engine is cool before beginning. Safely drain a small amount of coolant if necessary to prevent spillage. Remove the old sensor using a 13mm spanner. Clean the mounting threads on the engine block. Apply a small amount of thread sealant (if recommended by vehicle manufacturer) to the new sensor's threads. Screw in the XTT39 sensor by hand until snug, then tighten gently with the spanner. Connect the single-pin connector securely. Reinstall any components removed. Refill coolant if necessary and check for leaks after starting the engine.
Care: This sensor is a sealed unit and generally requires no specific maintenance. However, it is crucial to keep the sensor's electrical connector clean and free from corrosion. Periodically inspect the sensor and its wiring for any signs of damage or wear as part of regular vehicle maintenance.