4088832
Temperature Sensor
Cummins®

Introduction

The Cummins 4088832 Temperature Sensor is a critical component designed to monitor and report the temperature within a truck’s engine system. It provides accurate temperature readings to the engine management system, which uses this data to optimize engine performance and ensure efficient operation. This sensor is essential for maintaining the health and performance of commercial trucks by enabling precise temperature control and facilitating timely diagnostics.

Basic Concepts of Temperature Sensors

A temperature sensor measures temperature or detects changes in temperature and converts these measurements into electrical signals. These sensors operate based on various principles, including thermocouples, thermistors, and resistance temperature detectors (RTDs). In automotive systems, temperature sensors are utilized to monitor engine temperature, coolant temperature, and oil temperature, among other applications. They provide vital data that helps in maintaining optimal engine performance, preventing overheating, and ensuring the longevity of engine components ¹.

Role of the 4088832 Temperature Sensor in Truck Operation

The Cummins 4088832 Temperature Sensor performs several specific functions within a truck’s engine management system. It monitors the engine’s temperature in real-time, providing data that the engine control unit (ECU) uses to adjust fuel injection, ignition timing, and other parameters to ensure optimal performance. By maintaining accurate temperature readings, this sensor aids in preventing engine overheating, which can lead to severe damage. Additionally, it supports diagnostic processes by alerting the driver or maintenance personnel to potential issues through the vehicle’s onboard diagnostic system ².

Key Features

The Cummins 4088832 Temperature Sensor is characterized by its robust design and high-quality materials, ensuring accuracy and durability in demanding environments. It is engineered to withstand the harsh conditions typical of commercial truck operations, including extreme temperatures and vibrations. The sensor’s precision in temperature measurement is crucial for the effective management of engine performance. Its durable construction ensures long-term reliability and reduces the need for frequent replacements ³.

Benefits

Utilizing the Cummins 4088832 Temperature Sensor offers several advantages. It contributes to improved engine efficiency by enabling the ECU to make precise adjustments based on real-time temperature data. This leads to better fuel economy and reduced emissions. The sensor enhances the reliability of the engine by helping to prevent overheating and related damage. Furthermore, it supports advanced diagnostics, allowing for early detection of potential issues, which can save time and reduce repair costs.

Troubleshooting and Maintenance

Common issues with temperature sensors may include inaccurate readings, sensor failure, or electrical connection problems. Troubleshooting steps involve checking the sensor’s electrical connections for corrosion or damage, verifying the sensor’s output with a multimeter, and comparing readings with known good values. Regular maintenance, such as cleaning the sensor and its connections, can help ensure accurate readings and prolong the sensor’s lifespan. It is also beneficial to follow the manufacturer’s recommendations for inspection and replacement intervals to maintain optimal performance.

About Cummins

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 has established a reputation for quality, reliability, and customer satisfaction in the commercial truck industry. The company’s commitment to innovation and excellence has made it a preferred choice for engine components, including the Cummins 4088832 Temperature Sensor.

Cummins Temperature Sensor 4088832 Compatibility

The Cummins Temperature Sensor part number 4088832 is designed to fit a variety of Cummins engines, ensuring accurate temperature readings and optimal engine performance. Below is a detailed breakdown of the engines with which this temperature sensor is compatible.

Compatible Engines

• 15N CM2380 M104B
• B5.6 CM2670 B152B
• B6.7 CM2670 B153B
• ISB CM850
• ISC CM2150
• ISC CM850
• ISF2.8 CM2220 F129
• ISF3.8 CM2220 AN
• ISF4.5 CM2220 F123
• ISL CM2150
• ISL9 CM2150 SN
• ISM CM570/870
• ISM CM876
• ISX CM870
• ISX CM871
• ISX15 CM2250
• L GAS PLUS CM556
• QSB3.3 CM2250 EC
• QSC8.3 CM850 (CM2850)
• QSF2.8 CM2880 F105
• QSK19 CM2350 K105
• QSK19 CM2350 K114
• QSK19 CM2350 K144G
• QSK19 CM850 MCRS
• QSK50 CM2150 K107

Grouping by Engine Series

• ISB Series

  • ISB CM850

• ISC Series

  • ISC CM2150
  • ISC CM850

• ISF Series

  • ISF2.8 CM2220 F129
  • ISF3.8 CM2220 AN
  • ISF4.5 CM2220 F123

• ISL Series

  • ISL CM2150
  • ISL9 CM2150 SN

• ISM Series

  • ISM CM570/870
  • ISM CM876

• ISX Series

  • ISX CM870
  • ISX CM871
  • ISX15 CM2250

• QSB Series

  • QSB3.3 CM2250 EC

• QSC Series

  • QSC8.3 CM850 (CM2850)

• QSF Series

  • QSF2.8 CM2880 F105

• QSK19 Series

  • QSK19 CM2350 K105
  • QSK19 CM2350 K114
  • QSK19 CM2350 K144G
  • QSK19 CM850 MCRS

• QSK50 Series

  • QSK50 CM2150 K107

• L GAS PLUS Series

  • L GAS PLUS CM556

• 15N Series

  • 15N CM2380 M104B

• B Series

  • B5.6 CM2670 B152B
  • B6.7 CM2670 B153B

This comprehensive compatibility ensures that the temperature sensor can be used across a wide range of Cummins engines, providing reliable temperature monitoring and contributing to the overall efficiency and longevity of the engine.

Role of Part 4088832 Temperature Sensor in Engine Systems

The Part 4088832 Temperature Sensor is integral to the efficient operation of various engine systems, providing essential data that contributes to optimal performance and reliability.

Integration with Aftermarket Turbocharger and Turbocharger Kit

When installed in an aftermarket turbocharger or a turbocharger kit, the temperature sensor monitors the temperature of the exhaust gases entering the turbine. This data is vital for the turbocharger’s electronic control module (ECM) to adjust the turbo’s performance, ensuring it operates within safe parameters and enhances overall engine efficiency.

Function in Air Intake Manifold and Compressor Housing

In the air intake manifold and compressor housing, the temperature sensor measures the temperature of the incoming air. This information allows the engine control module (ECM) to make necessary adjustments to the air-fuel mixture, promoting better combustion and reducing the risk of engine knocking.

Coordination with Coolant Temperature Sensor

Working in tandem with the coolant temperature sensor, the Part 4088832 Temperature Sensor helps maintain the engine’s thermal balance. By providing real-time data on the engine’s operating temperature, it assists the ECM in regulating the fuel injection timing and ignition timing, which is essential for preventing overheating and ensuring smooth operation.

Role in Electronic Control Module Wiring Harness

The temperature sensor is a key component in the electronic control module wiring harness. It sends temperature data to the ECM, which uses this information to control various engine functions, including the activation of the radiator fan, the operation of the thermostat, and the management of the fuel delivery system.

Interaction with Engine Control Module and Engine Monitoring System

The engine control module (ECM) relies on the temperature sensor’s data to make informed decisions about engine operation. The engine monitoring system uses this data to provide real-time feedback to the driver or technician, allowing for proactive maintenance and adjustments to driving conditions.

Influence on Fuel Control Module

The fuel control module uses temperature sensor data to adjust the fuel delivery based on the engine’s current operating conditions. This ensures that the engine receives the correct amount of fuel for efficient combustion, which is particularly important during cold starts or when the engine is under heavy load.

Enhancement of Performance Parts

In conjunction with performance parts, the temperature sensor plays a role in fine-tuning the engine’s performance. By providing accurate temperature readings, it allows for precise adjustments to be made, which can lead to increased power output, improved fuel efficiency, and reduced emissions.

Conclusion

The Cummins 4088832 Temperature Sensor is a vital component in the efficient operation of commercial truck engines. Its accurate temperature readings enable the engine management system to optimize performance, prevent overheating, and facilitate timely diagnostics. The sensor’s robust design and compatibility with a wide range of Cummins engines make it a reliable choice for maintaining engine health and performance.