2872140
Temperature Sensor
Cummins®

Introduction

The Cummins 2872140 Temperature Sensor is designed to monitor engine temperature in commercial trucks, providing accurate readings to the engine management system for optimized performance and efficiency ². This sensor ensures the engine operates within safe temperature ranges, contributing to vehicle reliability and longevity.

Basic Concepts of Temperature Sensors

Temperature sensors measure environmental temperature and convert it into an electrical signal. They are used in automotive systems to monitor and regulate temperature for optimal performance and safety. These sensors operate on principles like thermocouples, thermistors, and resistance temperature detectors (RTDs), each suited to specific applications based on accuracy, response time, and durability ¹.

Purpose of the Cummins 2872140 Temperature Sensor

This Cummins part provides real-time temperature data to the engine management system, adjusting parameters such as fuel injection timing and air-fuel ratio for efficient combustion and reduced engine damage risk ². It ensures optimal engine temperature for improved performance, fuel efficiency, and emissions control.

Key Features

The 2872140 is characterized by its robust design, using high-quality, corrosion-resistant materials for extreme temperatures. Its specifications ensure accurate, reliable readings with a fast response time, allowing timely adjustments by the engine management system. It is engineered to withstand the harsh conditions of commercial truck operations, ensuring durability and long-term performance.

Benefits of Using the Cummins 2872140 Temperature Sensor

Using this sensor offers advantages such as improved engine performance through precise temperature monitoring and control, leading to enhanced fuel efficiency. It provides reliable temperature monitoring, crucial for preventing engine damage and ensuring vehicle longevity.

Installation and Integration

Installing the 2872140 involves following manufacturer guidelines, including using specific tools and procedures for a secure and accurate fit. Proper installation ensures the sensor functions correctly and provides reliable temperature readings.

Troubleshooting Common Issues

Common issues with the 2872140 may include inaccurate readings or sensor failure. Troubleshooting involves checking connections, ensuring proper installation, and verifying no external factors affect performance. In some cases, replacing the sensor may be necessary.

Maintenance Tips

Regular maintenance, including periodic checks and cleaning, is recommended to ensure the sensor’s longevity and optimal performance. This helps extend its lifespan and ensures reliable temperature readings.

Cummins Overview

Cummins Inc. is a global leader in designing, manufacturing, and distributing engines, filtration, and power generation products. Known for innovation and quality, Cummins has established itself as a trusted name in the automotive industry, particularly for high-quality components like the 2872140 Temperature Sensor ³.

Compatibility with Cummins Engines

The 2872140 is compatible with various Cummins engines, including the ISX CM871, X12 CM2350 X119B, X15 CM2350 X116B, and X15 CM2450 X134B. It provides precise temperature monitoring for these engines, ensuring optimal performance and preventing overheating issues.

Role in Engine Systems

The 2872140 is integral to the efficient operation of several engine systems. It provides essential temperature data to the Engine Control Module (ECM) for precise adjustments.

Interaction with the Engine Control Module (ECM)

The sensor continuously monitors engine temperature and sends data to the ECM, which adjusts fuel injection timing, ignition timing, and other parameters for optimal performance and efficiency.

Exhaust Recirculation (EGR) System

In the EGR system, the sensor monitors recirculated exhaust gas temperature. The ECM uses this data to control the EGR valve, reducing nitrogen oxides (NOx) emissions and improving fuel efficiency.

Exhaust Recirculation Air Arrangement

The sensor ensures the temperature of recirculated air is within the desired range before mixing with intake air, maintaining EGR system efficiency and preventing engine component damage.

Exhaust Recirculation Air Plumbing

In the EGR air plumbing, the sensor monitors exhaust gas temperature as they travel through the plumbing. This data is crucial for the ECM to make real-time adjustments to the EGR flow, ensuring safe and efficient operation.

Overall, the 2872140 enhances the performance and reliability of these engine systems by providing accurate temperature data for informed ECM decisions.

Conclusion

The Cummins 2872140 Temperature Sensor is a vital component for monitoring and regulating engine temperature in commercial trucks. Its accurate and reliable temperature readings contribute to optimal engine performance, fuel efficiency, and emissions control. Proper installation, maintenance, and troubleshooting are essential for ensuring the sensor’s longevity and effectiveness in various Cummins engine systems.