Ford Mondeo Mk4 Vacuum Control Valve Solenoid 2.0 Petrol 5243591

Ford Mondeo Mk4 Vacuum Control Valve Solenoid 2.0 Petrol is a component from the Air and fuel intake sensors group, designed for petrol engine fuel systems. It is responsible for precise vacuum control in the intake and fuel supply area, which translates into stable engine operation and correct response to load.

Specifications and technical data

• SKU: 5243591
• Mark: Ford
• Condition: Used
• OEM Part Number: 5243591
• Substitutable numbers: BS7E-9J559-AA, BS7E9J559AA, 4M5G-9J559-NB, 4M5G9J559NB, 5243591
• Fuel type: Petrol
• Part type: Vacuum Switch
• Category: Air Intake & Fuel Sensors

Purpose and function in the fuel system

Ford Mondeo Mk4 Vacuum Control Valve Solenoid 2.0 Petrol operates in the area of air and fuel flow control, working in conjunction with intake components and the engine control system. Its task is to control vacuum levels so that the engine maintains proper operating parameters under various load and speed conditions.

Stable operation of the valve contributes to:

• correct air-fuel mixture dosing,
• smooth engine idling,
• efficient transitions between loads,
• maintaining proper dynamics during acceleration.

Benefits of using an original Ford component

As a part from the Air and fuel intake sensors group dedicated to Ford, the valve is designed for the specific characteristics of the 2.0 petrol engine. This means it is matched in terms of flow parameters, response speed, and compatibility with the factory engine control unit.

Key advantages of using this component include:

• Compatibility with the factory control system – no need for adaptation or software modifications.
• Consistency with other intake components – the valve operates within the range specified by the vehicle manufacturer.
• The ability to restore proper fuel system operation after a failure or wear of the previous component.

Technical characteristics and fuel type

The presented vacuum control valve is designed for engines powered by petrol. Its construction and operating parameters are adapted to the specifics of Ford petrol units, where precise vacuum control in the intake and fuel supply area is required.

Selecting a component compatible with the fuel type is important for:

• engine stability across the full RPM range,
• maintaining correct fuel consumption values,
• reducing the risk of engine control unit errors related to incorrect vacuum.

Component condition and service application

The offered vacuum control valve is a used part, which allows for an economical repair of the fuel system while maintaining compliance with factory specifications. It is suitable both for typical replacement of a worn valve and for diagnosing problems with unstable engine operation, power loss, or incorrect throttle response.

Replacing the valve is particularly justified when the vehicle exhibits symptoms such as:

• uneven idling,
• jerking during acceleration,
• recurring errors related to the intake or fuel supply system.

Technical support and component selection

When working on the fuel system, it is worth paying attention to the condition of other components, such as the fuel pump, fuel rail, or other sensors in the intake area. To better understand the relationships between these elements and safely plan repairs, the following guide article will be helpful: Fuel dosing problems – how to safely choose a used injection pump and fuel rail.

If you are planning a comprehensive repair or upgrade of the engine area in your Ford and need other components from the same group, such as additional vacuum valves, pressure sensors, or air flow control elements, check the available parts in the Ford Air and fuel intake sensors category.