Cummins ISC, ISL, ISL9 Fuel Control Actuator (FCA) 2008-2016: OEM 4903523NX (2024)

FAQs

What are the symptoms of a bad fuel control actuator cummins? ›

More often you'll have a rough or low idle speed, the engine may stall as you lift off the throttle, there will be surging with steady throttle input, or you will hear a knocking or rattling sound from the engine due to excessive fuel pressure.

The Fuel Control Actuator is located at the rear of the high-pressure, fuel injection pump (Fig.

The actuator, in the EFC pump, controls the amount of fuel going into the rail, controlling the rail pressure. The quantity of fuel delivered to the combustion chamber is the result of the rail pressure level and the speed dependant time for that pressure to fill the injectors pumping chamber.

Cummins EFC (Electronic Fuel Control) Actuator Part Number 3330600, Model Name/Number: 333600. We can supply Genuine Cummins Engine Actuators 3330600/ 3330601.

You will need to monitor the rail pressure to be sure that during cranking you have over 4000 PSI. If it is not, a hard start could be caused by one, or even more, injectors. If you do not see smoke from the tailpipe after about 10 seconds of cranking it means there is no fuel getting into the cylinders.

Detecting signs of CP4 fuel pump failure early is pivotal to prevent extensive engine damage. Common symptoms include: Power Loss: A faltering CP4 fuel pump often manifests as a discernible reduction in engine power or acceleration, particularly under heavy loads or high-speed driving conditions.

Types of Actuators: Actuators in vehicles are diverse, including components like fuel injectors (which control fuel delivery), electric motors (steering, braking, or throttle control), and solenoids (for valve operation or gear shifts).

In industrial settings, a faulty actuator can lead to production delays, loss of efficiency, and even safety hazards. For example, in a manufacturing facility, a malfunctioning actuator may fail to open or close a valve properly, leading to a disruption in the production process or the release of hazardous materials.

What is the actuator controlling the fuel in the diesel engine? ›

On a diesel engine, actuator is normally used to refer to the actuator in the fuel system which controls the amount of diesel fuel injected into the engine. The actuator is controlled either by a mechanical governor or an ECU / ECM.

Actuator Functions: Triggering motion, controlling speed, providing force or torque, maintaining a set position, and ensuring safety. Actuator Design: Involves selection of power source, motion type, construction materials, control scheme and design of mechanical components.

The FCA is the master controller that maintains fuel pressure in your Cummins engine. As you increase engine torque, so does the amount of power being sent through the drivetrain. This causes an increase in exhaust gasses and therefore increases cylinder temperatures.

The engine dataplate is located on the fuel pump side of the rocker housing. The engine dataplate provides model identification. It includes: Engine Serial Number (ESN)

OEMs. Cummins engines power equipment from some of the finest manufacturers in the world. For applications on land and sea, we partner with exceptional companies to produce superior products. Our OEM portal provides secure access to engineering specifications and communication systems for our OEMs.

Airlocks occur when air enters your fuel system and keeps the diesel fuel from reaching the injectors. Unable to pass fuel through the bubble stuck in your system, typical symptoms include difficulty starting the engine, reduced engine power after starting, and, in severe cases, the inability to start the engine.

The ECM controls the amount of fuel that enters the high-pressure pumping chambers by opening and closing the FCA based on demand. The FCA is the device that controls the fuel pressure delivered to the common rail to provide fuel delivery rates.