The Mass Air Flow Sensor is a critical engine management component for specific Land Rover models. Installed in the engine’s air intake system, it measures the volume and density of air entering the engine, transmitting this data to the engine control unit (ECU). The ECU then adjusts fuel injection and ignition timing for optimal combustion, ensuring efficient engine performance, fuel economy, and emission control. As an OE-grade part, it meets Land Rover’s strict standards for measurement accuracy, durability, and environmental resistance, seamlessly integrating with the engine management system and performing reliably across diverse driving conditions (e.g., cold starts, high-speed acceleration, heavy-load operation).
Constructed from precision-engineered materials: the sensor element uses hot-wire or hot-film technology (for accurate air flow measurement), while the housing is made of heat-resistant plastic or metal to withstand intake air temperatures and engine bay conditions. The electrical connectors are designed for secure, corrosion-resistant contact to ensure consistent signal transmission.
| Item | Details |
| Product OE Number | PHF500101/LR012073/PHF000140/LR035726 |
| Land Rover Model | RANGE ROVER SPORT(L320) DISCOVERY IV (L319) FREELANDER 2(L359) RANGE ROVER IV (L405) |
Notes: Mass Air Flow Sensors are engine-specific and model-specific—even within the same Land Rover model series, different engine variants (e.g., gasoline vs. diesel, turbocharged vs. naturally aspirated) require sensors with varying measurement ranges and calibration. Confirm the exact specification via your vehicle’s VIN or Land Rover’s official parts catalog to avoid engine performance issues (e.g., rough idling, reduced power, increased fuel consumption). During installation, ensure proper electrical connection and air intake sealing to maintain measurement accuracy. Regularly inspect for signs of failure (e.g., check engine light, abnormal engine behavior, sensor contamination) and replace the sensor at Land Rover’s recommended intervals (typically 80,000–120,000 km) or immediately if faults are detected.
Frequently Asked Questions
Q: How to determine if the bumper bracket needs replacement?
A: Signs of a failing bumper bracket include visible damage or deformation, misaligned bumper panels, unusual noises from the front end, or if the bumper appears loose or sagging on one side.
Q: What should be paid attention to when replacing the bumper bracket?
A: For optimal results, we recommend professional installation. Key considerations include ensuring proper alignment of all mounting points, checking for additional damaged components, and verifying all fasteners are properly torqued to specification.
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- Extensive Industry Experience: 13 years specializing in Volvo auto parts with precise product matching and technical solutions.
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