Ford Transit Connect Mk2 MAP Pressure Sensor Control Unit AG91-9F479-AB

Ford Transit Connect Mk2 MAP Pressure Sensor Control Unit is a component from the Electronic control modules and controllers group, responsible for precise measurement of intake manifold pressure and transmitting data to the engine control unit. A properly functioning MAP sensor supports stable engine operation, optimizes fuel dosage, and improves the vehicle's performance and driving dynamics. This solution is intended for users who expect proven, factory-grade electronics rather than random replacements.

Specifications and technical data

• SKU: AG91-9F7479-AB
• Mark: Ford
• Condition: Used
• OEM Part Number: AG91-9F7479-AB
• Substitutable numbers: AG91-9F7479-AB, AG919F7479AB, 1913600, AG91-9F479-AC, AG919F7479AC
• Category: ECUs & Computer Modules

The role of the MAP sensor in the engine control system

The MAP pressure sensor in the Ford Transit Connect Mk2 works with the electronic engine control unit, providing it with information about the current engine load. Based on this data, the ECU selects the fuel dosage, ignition timing, or injection parameters, which translates into stable idle, predictable throttle response, and reduced excessive fuel consumption.

A functional MAP sensor also helps maintain correct exhaust emission values, which is important both during daily operation and during periodic technical inspections. In the event of a sensor malfunction, typical symptoms include power loss, jerking, increased fuel consumption, and the appearance of error codes in the controller's memory.

Why choose original Ford electronics

This element belongs to the group of original Ford solutions, which means full compatibility with the factory operating characteristics of the Transit Connect Mk2 engine. Unlike many universal replacements, a properly selected sensor from this series ensures:

• correct cooperation with the factory ECU software,
• stable pressure readings across the entire load range,
• preservation of the engine's serial operating parameters.

The product comes from the Electronic control modules and controllers segment, which guarantees that it has been designed for integration with the vehicle's existing electrical installation and factory wiring harnesses.

Condition, selection, and practical application

The offered sensor is a used component, which in the case of OEM electronics for the Ford Transit Connect Mk2 is an attractive cost-effective solution while maintaining factory specifications. This is particularly beneficial for maintenance repairs when you want a proven component while avoiding the risks associated with cheap, low-quality replacements.

To select the appropriate MAP sensor for a specific engine version, it is worth using the VIN number or OEM and reference markings – this allows you to verify compatibility with the given controller and vehicle model year. A correctly matched sensor facilitates diagnostics, eliminates errors related to hardware incompatibility, and shortens repair time.

Benefits of installing a functional MAP sensor

Replacing a faulty pressure sensor with the correct element from this series can bring measurable results in the daily operation of the Ford Transit Connect Mk2. The most important advantages include:

• more predictable throttle response,
• reduction of problems with fluctuating idle and engine stalling,
• possibility of more effective computer diagnostics thanks to reliable parameter readings,
• maintenance of factory controller settings without the need for software modifications.

For workshops and fleet users, this means faster service, fewer returns for corrections, and more predictable vehicle maintenance costs.

If you are planning a comprehensive repair or upgrade of the engine area in your Ford and need other elements from the same group, such as ECU controllers, engine management modules, or other pressure and temperature sensors, check out the available parts in the Ford electronic control modules and controllers category.

If you want to make an informed purchase of a used sensor or ECU module, learn the principles of selection by VIN and OEM numbers, and find out how to assess hardware and software compatibility, check out our guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?