3094868
Temperature Sensor
Cummins®

Introduction

The Cummins 3094868 Temperature Sensor is designed to monitor the temperature within a truck’s engine system, providing accurate readings to maintain optimal operating conditions. This sensor ensures the engine operates within safe temperature ranges, contributing to efficient performance and longevity of engine components ¹.

Basic Concepts of Temperature Sensors

Temperature sensors measure the temperature of their surroundings and convert this measurement into an electrical signal. They utilize technologies such as thermocouples, thermistors, or resistive temperature detectors (RTDs) to sense temperature changes. In automotive systems, these sensors monitor engine temperature, cabin temperature, and other critical areas to ensure efficient operation and passenger comfort ².

Role of the 3094868 Temperature Sensor in Truck Operation

This Cummins part provides real-time temperature data to the engine control unit (ECU), which uses this information to adjust engine parameters such as fuel injection timing and cooling system operation. This helps prevent overheating, ensures efficient combustion, and protects engine components from damage due to excessive heat ³.

Key Features of the 3094868 Temperature Sensor

The 3094868 is characterized by its robust design, which includes high-quality materials that ensure durability and accuracy. The sensor incorporates advanced technology to provide precise temperature readings under varying operating conditions. Its design allows for easy installation and integration into the truck’s engine management system, enhancing its performance and reliability.

Benefits of Using the 3094868 Temperature Sensor

Incorporating this part into truck systems offers several advantages. It contributes to improved engine performance by ensuring the engine operates within optimal temperature ranges. This can lead to enhanced fuel efficiency and reduced emissions. Additionally, the sensor helps extend the longevity of engine components by preventing overheating and thermal stress ⁴.

Installation and Integration

Installing the 3094868 involves connecting it to the appropriate location within the engine system, typically near the engine block or coolant passages. Integration into the truck’s engine management system may require wiring connections and software configurations to ensure the sensor communicates effectively with the ECU. Proper installation is crucial for accurate temperature monitoring and effective engine management.

Troubleshooting and Maintenance

Common issues with the 3094868 may include inaccurate readings, sensor failure, or wiring problems. Diagnostic procedures involve checking the sensor’s output signal, inspecting wiring connections, and testing the sensor’s functionality. Regular maintenance, such as cleaning the sensor and ensuring secure connections, can help prevent issues and ensure continued accurate operation.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins is committed to innovation and sustainability in the automotive industry. The company offers a wide range of products, including engines, powertrains, and emission solutions, designed to meet the needs of various industries and applications.

Compatibility with Cummins Engines

This Temperature Sensor is designed to integrate seamlessly with various Cummins engine models. It is crucial for maintaining optimal engine performance by monitoring and regulating the engine’s temperature.

QST30 CM552 Engines

The 3094868 is compatible with the QST30 CM552 engines. This compatibility ensures that the sensor can effectively monitor and relay temperature data, which is essential for the engine’s operational efficiency and longevity. The sensor’s design allows it to fit precisely within the engine’s architecture, ensuring accurate temperature readings and reliable performance.

Grouping of Compatible Engines

While the QST30 CM552 engines are specifically mentioned, the 3094868 is also designed to fit within a broader range of Cummins engines. This part is engineered to meet the stringent requirements of Cummins’ engine systems, ensuring that it can be used across multiple models without compromising on performance or reliability. The sensor’s compatibility extends to various engine configurations, making it a versatile choice for maintenance and repair needs.

Role of Part 3094868 Temperature Sensor in Engine Systems

This part is an essential component in modern engine systems, providing vital data that ensures optimal performance and efficiency. It is integrated into several key components to monitor and regulate various engine parameters.

Integration with the Electronic Engine Control Unit (ECU)

The temperature sensor continuously feeds real-time data to the ECU. This information allows the ECU to make precise adjustments to fuel injection, ignition timing, and other critical functions. By maintaining an accurate temperature reading, the ECU can optimize engine performance, enhance fuel efficiency, and reduce emissions.

Monitoring Exhaust Gas Temperature (EGT)

In conjunction with the exhaust gas temperature sensor, part 3094868 plays a significant role in monitoring EGT. Accurate temperature readings from the sensor help in diagnosing potential issues within the exhaust system, such as catalytic converter efficiency or turbocharging performance. This data is invaluable for maintaining the overall health and performance of the engine.

Enhancing Sensor Network Efficiency

The temperature sensor works in tandem with other sensors within the engine system to create a comprehensive monitoring network. This network ensures that all components operate within their specified temperature ranges, preventing overheating and potential damage. The sensor’s data is cross-referenced with readings from the coolant temperature sensor and oil temperature sensor to provide a holistic view of the engine’s thermal state.

Supporting Diagnostic and Maintenance Procedures

Accurate temperature data from part 3094868 aids in the diagnostic process by providing engineers and mechanics with reliable information for troubleshooting. Whether it’s identifying a faulty thermostat, a malfunctioning radiator, or issues with the cooling system, the sensor’s precise readings are instrumental in pinpointing problems and implementing effective solutions.

Contribution to Overall Engine Health

By ensuring that the engine operates within optimal temperature ranges, part 3094868 contributes to the longevity and reliability of the engine. Consistent monitoring and regulation of temperature help prevent thermal stress on engine components, reducing the likelihood of wear and tear and extending the engine’s service life.

Conclusion

The Cummins 3094868 Temperature Sensor plays a vital role in maintaining optimal engine performance by providing accurate temperature readings. Its integration with the ECU allows for precise adjustments to engine parameters, enhancing fuel efficiency and reducing emissions. The sensor’s compatibility with various Cummins engines makes it a versatile and reliable component for maintaining engine health and longevity.