3347905
Electronic Fuel Control Actuator
Cummins®

The Cummins 3347905 Electronic Fuel Control Actuator is a component designed to enhance the operation of heavy-duty trucks by managing fuel delivery within Cummins engines. This actuator is integral to the fuel injection system, ensuring precise control over fuel quantity and timing, which are vital for optimal engine performance ¹.

Basic Concepts of Electronic Fuel Control Actuators

An Electronic Fuel Control Actuator is a device that modulates the amount of fuel injected into an engine’s combustion chamber. It operates within the fuel injection system by receiving signals from the engine control unit (ECU), which dictates the precise amount of fuel needed based on various operating conditions. This actuator optimizes fuel delivery, contributing to efficient combustion and reduced emissions ².

Purpose and Role in Truck Operation

The 3347905 Electronic Fuel Control Actuator plays a specific role in the operation of Cummins engines by regulating fuel injection. It impacts fuel efficiency by ensuring that the correct amount of fuel is delivered at the right time, which helps in achieving better fuel economy. Additionally, it contributes to lower emissions by promoting cleaner combustion. The actuator also enhances overall engine performance by maintaining consistent fuel delivery, which is crucial for the engine’s power output and reliability ³.

Key Features

The 3347905 Electronic Fuel Control Actuator is characterized by its robust design and construction, which includes high-quality materials that ensure durability and reliability. Its unique attributes include precise control mechanisms that allow for fine-tuning of fuel delivery, as well as built-in diagnostics that help in monitoring its performance. These features contribute to its enhanced performance and longevity ⁴.

Benefits

Using the 3347905 Electronic Fuel Control Actuator offers several benefits. It improves fuel economy by optimizing fuel delivery, which can lead to cost savings over time. It also reduces emissions, contributing to a cleaner environment. Enhanced engine performance is another advantage, as the actuator ensures consistent and efficient fuel injection. Additionally, its durable construction increases the component’s longevity, providing reliable operation over extended periods ⁵.

Installation and Integration

When installing the 3347905 Electronic Fuel Control Actuator into Cummins engines, it is important to consider compatibility with other components and systems. Proper integration ensures that the actuator functions correctly within the fuel injection system. Following manufacturer guidelines during installation helps in achieving optimal performance and avoiding potential issues ⁶.

Troubleshooting and Maintenance

To maintain the 3347905 Electronic Fuel Control Actuator, routine checks and maintenance procedures are recommended. This includes inspecting for any signs of wear or damage, ensuring all connections are secure, and performing diagnostic tests to verify its operation. Addressing common issues promptly can prevent more significant problems and ensure the actuator continues to function effectively ⁷.

Diagnostic Procedures

Diagnostic procedures for the 3347905 Electronic Fuel Control Actuator involve using specific tools to identify and address any issues. Common error codes can provide insights into potential problems, such as malfunctions in fuel delivery or electrical issues. Understanding these codes and their meanings is crucial for effective troubleshooting and maintenance ⁸.

Performance Optimization

Optimizing the performance of the 3347905 Electronic Fuel Control Actuator can be achieved through various methods. Tuning adjustments may be made to fine-tune fuel delivery based on specific operating conditions. Additionally, software updates provided by Cummins can enhance the actuator’s functionality, ensuring it operates at peak efficiency ⁹.

Cummins Overview

Cummins Inc. is a well-established company in the automotive industry, particularly known for its diesel engines and components. With a rich history of innovation and quality, Cummins offers a wide range of products designed to meet the demanding requirements of heavy-duty applications. The company’s reputation for reliability and performance makes it a preferred choice for many fleet operators and manufacturers ¹⁰.

Cummins Electronic Fuel Control Actuator 3347905 Compatibility

The Cummins Electronic Fuel Control Actuator part number 3347905 is a critical component in the operation of several engine models. This part is designed to manage and regulate the fuel delivery system in diesel engines, ensuring optimal performance and efficiency.

VTA903 and CM2250 Engines

The VTA903 and CM2250 engines are part of the Cummins Power Generation product line, known for their reliability and robust performance in industrial and commercial applications. The Electronic Fuel Control Actuator 3347905 is specifically engineered to fit these engines, ensuring precise control over fuel delivery. This part is essential for maintaining the engine’s operational efficiency and meeting stringent emission standards ¹¹.

V105 Engine

The V105 engine, another member of Cummins’ lineup, also benefits from the use of the Electronic Fuel Control Actuator 3347905. This engine is widely used in various applications, including construction equipment and agricultural machinery. The actuator plays a crucial role in the V105 engine by regulating fuel flow, which helps in achieving the desired power output while maintaining fuel efficiency ¹².

Grouping of Engines

The VTA903 and CM2250 engines, while distinct in their specific applications, share a common platform in terms of their fuel control systems. This commonality allows the Electronic Fuel Control Actuator 3347905 to be used interchangeably across these models, simplifying maintenance and repair processes. The V105 engine, although different in its application, also relies on the same actuator for its fuel management needs, ensuring a consistent approach to engine performance and reliability ¹³.

Role of Part 3347905 Electronic Fuel Control Actuator in Engine Systems

The Electronic Fuel Control Actuator (part 3347905) is integral to the efficient operation of modern engine systems. It works in conjunction with several key components to ensure optimal fuel delivery and engine performance.

Interaction with the Electronic Control Pressure Valve

The Electronic Fuel Control Actuator collaborates with the Electronic Control Pressure Valve to regulate fuel pressure within the fuel system. This partnership ensures that the fuel pressure remains consistent, which is essential for maintaining engine efficiency and power output ¹⁴.

Coordination with the Electronic Fuel Control Valve

This actuator also interfaces with the Electronic Fuel Control Valve to fine-tune the fuel metering process. By adjusting the fuel flow in response to engine demands, it helps achieve a precise air-fuel mixture, which is vital for combustion efficiency and emissions control ¹⁵.

Communication with the Engine Control Module (ECM)

A significant aspect of the actuator’s function is its communication with the Engine Control Module (ECM). The ECM relies on data from the actuator to make real-time adjustments to fuel delivery. This dynamic interaction allows the ECM to optimize engine performance under varying conditions ¹⁶.

Integration with Engine Control Module Mounting

The mounting of the Engine Control Module is designed to ensure stable and secure placement within the engine bay. The Electronic Fuel Control Actuator sends and receives signals to and from the ECM, necessitating a reliable connection that the proper mounting facilitates ¹⁷.

Role in the Fuel System

Within the fuel system, the Electronic Fuel Control Actuator plays a pivotal role in modulating fuel flow. It responds to signals from the ECM to open or close fuel passages, thereby controlling the amount of fuel that reaches the engine. This precise control is fundamental to the system’s ability to deliver the right amount of fuel at the right time ¹⁸.

Synergy with the Engine Control Module and Mounting

The Engine Control Module and its mounting are essential for the overall functionality of the fuel control system. The actuator’s role is to execute the ECM’s commands, ensuring that the fuel system operates within the parameters set by the engine’s programming. The secure mounting of the ECM ensures that these commands are transmitted without interruption ¹⁹.

Conclusion

The 3347905 Electronic Fuel Control Actuator is a critical component in the operation of Cummins engines, ensuring precise control over fuel delivery and enhancing engine performance. Its integration with other key components such as the Electronic Control Pressure Valve, Electronic Fuel Control Valve, and Engine Control Module ensures optimal fuel delivery and efficiency. Regular maintenance and proper installation are essential to maximize the benefits of this Cummins part.