Land Rover Discovery 3 L319 Mass Air Flow Meter Sensor 2.7 V6 Diesel PHF500100

Land Rover Discovery 3 L319 Mass Air Flow Meter Sensor 2.7 V6 Diesel is a precision intake system component responsible for accurately measuring the amount of air drawn into the diesel engine. A properly functioning mass air flow sensor allows the engine control unit to optimize fuel dosage, which translates into stable engine operation, improved driving refinement, and reduced fuel consumption. This component from the Air and fuel intake sensors group is dedicated to the 2.7 V6 Diesel unit in the Discovery 3 L319 model.

Specifications and technical data

• SKU: PHF500100
• Mark: Land Rover
• Condition: Used
• OEM Part Number: PHF500100
• Substitutable numbers: PHF500100, 5WK97010, 5H2Z12B579CA, 5H2Z-12B579-CA
• Fuel type: Diesel
• Category: Air Intake & Fuel Sensors

The role of the mass air flow sensor in the 2.7 V6 Diesel engine

In the 2.7 V6 diesel engine, correct air mass measurement is crucial for the operation of the injection system and the turbocharger. The mass air flow sensor works with the control electronics, providing accurate data on the amount of air drawn in by the engine. Based on this, the controller selects the fuel dose, adjusts boost pressure, and manages exhaust gas recirculation parameters, which helps maintain stable idle, correct throttle response, and reduce smoke emissions.

For the 2.7 V6 Diesel unit in the Discovery 3 L319, a properly functioning mass air flow sensor is important both for dynamics and for protecting components such as injectors or the diesel particulate filter (if present in the specific configuration). Maintaining accurate air mass measurement also promotes smooth engine operation under load and during off-road driving.

Compatibility and interchangeable numbers

The offered mass air flow sensor belongs to the Air and fuel intake sensors group and is intended for use in Land Rover vehicles with a diesel engine, particularly the Discovery 3 L319 model with the 2.7 V6 unit. The component has a dedicated OEM part number and associated interchangeable numbers, which facilitates the selection of the correct sensor for a specific vehicle configuration.

Before purchasing, it is worth comparing the markings with the original component or using the OEM number for selection to ensure full compatibility with the electrical installation and engine control unit. This allows the mass air flow sensor to operate in a plug-and-play mode, without the need for additional modifications to the wiring or air filter housing.

Performance characteristics and benefits of use

The mass air flow sensor in the Discovery 3 L319 directly affects the vehicle's operating parameters. A functional component helps to:

• maintain smooth engine operation across the entire rev range,
• reduce power drops resulting from incorrect air measurement,
• decrease the risk of the unit entering limp mode,
• stabilize fuel consumption in typical road and off-road conditions.

As a component in the Air and fuel intake sensors category, the mass air flow sensor works with other intake and fuel system sensors, creating a cohesive engine control system. Proper selection and installation of this component are particularly important in vehicles used under load, for towing trailers, or in off-road driving, where the engine operates in varied thermal and pressure conditions.

Condition, origin, and selection of a used sensor

The offered mass air flow sensor is a used component, sourced from a dismantled Land Rover vehicle. This type of OEM part retains its factory geometry and measurement characteristics, which promotes correct cooperation with the original engine control unit. Choosing a used sensor is often a reasonable cost-effective solution, especially when repairing older Discovery 3 L319 units.

To maximize the potential of a used component, it is recommended to have it installed by a specialized service or an experienced mechanic, while maintaining cleanliness around the air filter housing and intake ducts. Proper seating of the mass air flow sensor and checking the intake system for leaks help avoid measurement interference and control unit errors.

Technical support and additional information

If you are planning a comprehensive repair or upgrade of the engine area in your Land Rover and need other components from the same group, such as boost pressure sensors, air temperature sensors, or fuel measurement components, check the available parts in the Land Rover Air and fuel intake sensors category.

When choosing a used mass air flow sensor and other electronic components, it is worth paying attention to the compatibility of markings, hardware and software versions, and the installation method. A detailed discussion on the selection of used sensors and control modules, along with practical tips on compatibility and installation, can be found in the guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

Thanks to the conscious selection of components from the air and fuel intake sensors group, you can restore the proper operation of the diesel engine in your Discovery 3 L319 while maintaining a reasonable level of service costs and high functionality of the drivetrain.