Flow Sensing

A vehicle’s mass airflow sensor (MAF) is one of the most important components of a car. It controls the density and flow of the air getting into the combustion chamber. Mass Airflow Sensor controls the ratio of fuel to air in the car engine. Basically, the MAF is a flow sensing machine that any car should have. Faulty MAF should be replaced immediately to improve the efficiency and performance of the car.

Check Engine Light
A “check engine light” warning on the car’s dashboard is one of the most obvious signs of MAF failure. When your engine sensor fails, the car’s computer will resort to code values saved in memory to make up for the loss of signal from the sensor involved. This will prompt the “check engine light” to turn on. Your car’s computer records the fault code in its memory. Connecting your car’s computer to a code reader can help you determine the fault and detect the damaged sensor and probable cause.

Power and Performance
Remember, the mixture of fuel and air required for engine performance is determined by the MAF. Your car may experience numerous performance and power problems due to MAF failure. This type of failure may cause the engine to perform erratically, hiccups when accelerating, and even difficulties starting the car. These symptoms can progress rapidly even before the MAF fails completely. However, other engine problems can also trigger these symptoms. Ensure that your MAF system has undergone proper diagnosis and servicing. It is advisable not to rely solely on the engine light to detect engine problems.

Dirt passing through the air filter is one of the most common causes of MAF failure. Maintain the MAF system by cleaning it regularly. Cleaning the MAF is an easy and inexpensive procedure. Mount the MAF on the air cleaner to clean it. The air cleaner connects to the car’s computer with a wiring cord. Remove the MAF housing by unbolting the MAF and disconnecting the wiring. Thereafter, carefully remove the screws on top of the MAF housing and slowly pull out the MAF sensor.

Check for dirt on the two filaments inside the MAF and wipe it off using a clean cotton swab. Alternatively, use an electrical contact cleaner to remove dirt from the MAF. Allow the disjointed parts to air dry before reassembling. Carry out a visual inspection of the wiring harness for dirt, loose connectors, and damaged cables.

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