Reference: AFM5007
Brand: Nissan
The mass air flow sensor (MAF) measures the exact amount of air entering the engine, allowing the engine control unit (ECU) to calculate precise fuel delivery. Modern engines rely heavily on accurate airflow data to start cleanly, idle smoothly and respond correctly under load.
When a MAF sensor becomes contaminated or begins to fail, the ECU receives incorrect airflow information. The result is often hard starting, unstable idle, hesitation, over-revving or stalling. These symptoms are frequently mistaken for fuel pump or ignition faults, leading to unnecessary part replacements.
For a detailed technical explanation of how airflow data affects startup, idle and injector operation, read our in-depth guide:
Why Modern Vehicles Fail to Start or Idle Unpredictably – How Sensors Decide Whether Your Engine Lives or Dies
Restore correct fueling and engine response by replacing a contaminated or failing MAF sensor with a quality, vehicle-specific unit.
• Always inspect the air filter and airbox seals before installing a new MAF sensor.
• Dust, oil vapour and poor-quality filters are leading causes of MAF contamination.
• Avoid touching or cleaning the sensing element with aggressive cleaners unless manufacturer-approved.
• Clear fault codes and allow the ECU to relearn airflow values after installation.
• Address intake leaks immediately, as unmetered air will damage the new sensor.
Poor servicing is one of the most common causes of MAF sensor failure. Learn how delayed maintenance leads to hidden engine damage in our servicing guide:
Most South African Drivers Are Servicing Too Late – Here’s the Hidden Engine Damage They Can’t See Yet
There are 343 products.
Reference: AFM5007
Brand: Nissan
Reference: AFM5007
Brand: Nissan
Reference: AFM5002
Brand: Toyota
Reference: AFM5002
Brand: Toyota
Reference: AFM5002
Brand: Mazda
Reference: AFM5002
Brand: Jaguar
Reference: AFM5002
Brand: Lexus
Reference: AFM5002
Brand: Volvo
Reference: AFM5002
Brand: SUZUKI
Reference: AFM5153
Brand: Nissan
Reference: AFM5153
Brand: Nissan
Reference: AFM5153
Brand: Nissan
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