4921473
Pressure Temperature Sensor
Cummins®

Introduction

The Cummins 4921473 Pressure Temperature Sensor is a component designed for use in heavy-duty truck systems. Its purpose is to monitor and report pressure and temperature data within the truck’s engine system. This sensor plays a role in ensuring the engine operates within optimal parameters by providing real-time data to the engine control unit (ECU) ¹.

Basic Concepts of Pressure Temperature Sensors

A pressure temperature sensor is a device that measures both pressure and temperature within a system. It operates by converting physical parameters—pressure and temperature—into electrical signals. These signals are then interpreted by the vehicle’s electronic control systems to make adjustments as necessary. In automotive applications, such sensors are vital for maintaining engine efficiency, ensuring safety, and optimizing performance ².

Role of the 4921473 Pressure Temperature Sensor in Truck Operation

The Cummins 4921473 Pressure Temperature Sensor performs several functions within a truck’s system. It monitors the pressure and temperature of the engine’s fluids, such as oil and coolant. By providing accurate data to the ECU, it enables the system to make real-time adjustments to maintain optimal engine performance. This sensor helps in detecting anomalies that could lead to engine damage if left unaddressed, thus playing a part in preventive maintenance ¹.

Key Features

The Cummins 4921473 Pressure Temperature Sensor is characterized by its robust design and the use of high-quality materials, which enhance its durability and reliability. It incorporates advanced technological specifications that ensure precise measurement and reporting of pressure and temperature data. The sensor’s design allows for easy integration into the truck’s system, facilitating straightforward installation and maintenance.

Benefits of Using the 4921473 Pressure Temperature Sensor

Utilizing the Cummins 4921473 Pressure Temperature Sensor offers several advantages. It contributes to improved engine performance by ensuring the engine operates within optimal parameters. This sensor also plays a role in enhancing fuel efficiency, as the ECU can make more informed decisions based on the data provided. Additionally, it increases system reliability by enabling early detection of potential issues, thus facilitating timely interventions ¹.

Installation and Integration

Installing the Cummins 4921473 Pressure Temperature Sensor involves connecting it to the appropriate points within the truck’s engine system. It is important to follow manufacturer guidelines to ensure proper integration. This may include securing the sensor in place, connecting it to the ECU, and verifying that it is functioning correctly. Careful attention to these steps helps ensure the sensor operates effectively within the system.

Troubleshooting and Maintenance

Common issues with the Cummins 4921473 Pressure Temperature Sensor may include inaccurate readings or failure to communicate with the ECU. Troubleshooting involves checking the sensor’s connections, ensuring it is properly installed, and verifying that it is receiving power. Regular maintenance practices, such as cleaning the sensor and inspecting its connections, can help ensure optimal performance and longevity.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a history spanning over a century, Cummins is renowned for its commitment to quality and innovation. The company offers a diverse product range, including engines, filtration, emissions solutions, and power systems. Cummins’ reputation in the automotive industry is built on its dedication to producing reliable and high-quality components, such as the 4921473 Pressure Temperature Sensor ².

Role of Part 4921473 Pressure Temperature Sensor in Engine Systems

The Part 4921473 Pressure Temperature Sensor is an integral component within the engine systems, specifically interfacing with the Engine Control Module (ECM) to ensure optimal performance and efficiency.

Interaction with the Engine Control Module (ECM)

The Pressure Temperature Sensor continuously monitors and reports the pressure and temperature conditions within the engine. This data is vital for the ECM as it allows for precise adjustments to fuel injection timing, air-fuel ratio, and ignition timing. By receiving real-time data from the sensor, the ECM can make instantaneous corrections to maintain engine performance under varying conditions ¹.

Enhancing Engine Performance

Incorporating the Pressure Temperature Sensor into the engine system allows for enhanced combustion efficiency. The sensor’s ability to provide accurate pressure and temperature readings ensures that the ECM can optimize the fuel delivery system. This results in improved fuel economy and reduced emissions, aligning with modern environmental standards ².

Supporting Diagnostic Functions

The data collected by the Pressure Temperature Sensor also plays a significant role in the diagnostic functions of the engine system. When the ECM detects anomalies in the pressure or temperature readings, it can trigger warning signals or initiate specific diagnostic routines. This proactive approach aids in early detection of potential issues, allowing for timely maintenance and preventing more severe engine damage ¹.

Integration with Other Systems

Beyond its primary role with the ECM, the Pressure Temperature Sensor contributes to the overall integration of various engine subsystems. Its data is often used in conjunction with other sensors to provide a comprehensive overview of engine health and performance. This holistic approach ensures that all components of the engine system work in harmony, leading to a more reliable and efficient operation ².

Conclusion

The Cummins 4921473 Pressure Temperature Sensor is a vital component in heavy-duty truck systems, ensuring optimal engine performance through precise monitoring and reporting of pressure and temperature data. Its integration with the ECM enhances engine efficiency, supports diagnostic functions, and contributes to the overall reliability of the engine system. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.