Introduzione
This manual provides detailed instructions for the installation, operation, and maintenance of your Koso 14MM Cylinder Head Temperature Sensor, Model 2212-0377. This sensor is designed to accurately measure the temperature of your engine's cylinder head, providing crucial data for monitoring engine health and performance. Please read this manual thoroughly before installation and use to ensure proper function and safety.
Informazioni sulla sicurezza
- Always ensure the engine is cool before attempting any installation or maintenance to prevent burns.
- Disconnect the vehicle's battery before starting installation to avoid electrical shorts or damage.
- Use appropriate tools and wear personal protective equipment, such as gloves and eye protection.
- Assicurarsi che tutti i collegamenti siano sicuri e adeguatamente isolati per prevenire rischi elettrici.
- In caso di dubbi su qualsiasi fase del processo di installazione, consultare un meccanico qualificato.
- Do not modify the sensor or its wiring, as this may lead to malfunction or damage.
Contenuto della confezione
Verificare che tutti i componenti siano presenti nella confezione:
- Koso 14MM Cylinder Head Temperature Sensor (Model 2212-0377)
- Manuale di istruzioni (questo documento)
- Note: Additional wiring or display units are typically sold separately and are required for full functionality.
Installazione
The Koso 14MM Cylinder Head Temperature Sensor is designed to be installed under the spark plug of your engine. Ensure your spark plug has a 14MM thread size for compatibility.

Image showing the Koso 14MM cylinder head temperature sensor, featuring its threaded body and electrical connector.
- Preparare il motore: Assicurarsi che il motore sia completamente freddo. Scollegare il terminale negativo della batteria del veicolo.
- Locate Spark Plug: Identify the spark plug where you intend to install the sensor.
- Remove Spark Plug: Carefully remove the spark plug using an appropriate spark plug wrench.
- Installare il sensore: Place the Koso 14MM temperature sensor onto the spark plug, ensuring it sits flush against the spark plug's washer. The sensor acts as a washer, allowing it to measure temperature directly from the cylinder head.
- Reinstall Spark Plug: Carefully thread the spark plug with the sensor back into the cylinder head. Tighten the spark plug to the manufacturer's recommended torque specifications. Do not overtighten, as this can damage the spark plug, sensor, or cylinder head.
- Collegare il cablaggio: Connect the sensor's electrical lead to your compatible Koso temperature gauge or display unit. Ensure the connection is secure and protected from heat and moving parts.
- Ricollegare la batteria: Ricollegare il terminale negativo della batteria del veicolo.
- Funzionalità di prova: Start the engine and observe the temperature reading on your display unit to confirm proper operation.
Operazione
Once installed and connected to a compatible Koso temperature gauge, the sensor will continuously monitor and transmit the cylinder head temperature. The temperature reading will be displayed on your gauge. Monitor this reading during engine operation to ensure it remains within safe operating parameters as specified by your engine manufacturer.
- Regularly check the temperature display during engine use.
- Familiarize yourself with your engine's normal operating temperature range.
- Sudden or sustained high temperature readings may indicate an engine issue requiring immediate attention.
Manutenzione
- Ispezione periodica: Periodically inspect the sensor and its wiring for any signs of damage, corrosion, or loose connections.
- Pulizia: If necessary, gently clean the sensor body with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Spark Plug Service: When servicing or replacing your spark plug, carefully remove and reinstall the temperature sensor to avoid damage.
- Protezione ambientale: Ensure the wiring and connector are protected from excessive heat, moisture, and physical abrasion.
Risoluzione dei problemi
If you experience issues with your Koso temperature sensor, consider the following troubleshooting steps:
- Nessuna lettura o letture irregolari:
- Check all electrical connections between the sensor and the display unit. Ensure they are secure and free from corrosion.
- Inspect the sensor wiring for any cuts, pinches, or damage.
- Verify that the sensor is properly seated under the spark plug and that the spark plug is tightened to specification.
- Ensure your display unit is functioning correctly by testing it with another known-good sensor if possible, or by checking its power supply.
- Letture imprecise:
- Confirm the sensor is the correct size (14MM) for your spark plug and cylinder head.
- Ensure there is good thermal contact between the sensor and the cylinder head.
- Compare readings with another reliable temperature measurement device if available.
- Sensor Failure (e.g., stops working after a period):
- While designed for durability, electronic components can fail over time. If all other troubleshooting steps fail, the sensor itself may be faulty and require replacement.
Specifiche
| Caratteristica | Dettaglio |
|---|---|
| Marca | Koso |
| Numero di modello | 2212-0377 |
| Dimensioni del sensore | 14MM (for spark plug thread) |
| Dimensioni del prodotto (L x P x A) | 25 x 25 x 25 mm (approx. 1 x 1 x 1 inch) |
| Peso del prodotto | 906 g (circa 32 once) |
| ASIN | B007RY8G08 |
| Codice UPC | 800124125951 |
Garanzia e supporto
Specific warranty details for the Koso 14MM Cylinder Head Temperature Sensor (Model 2212-0377) are not provided in this document. Please refer to the original product packaging or the official Koso websito per le informazioni più aggiornate sulla garanzia.
For technical support or further assistance, please contact Koso customer service through their official website or authorized distributors. Ensure you have your product model number (2212-0377) and purchase details available when seeking support.





