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Symptoms of a faulty air flow meter

Model: (Various brands) Various
Part: MAF sensor

Video tutorial

Air flow meters or mass air flow sensors are subject to malfunctions, like all components of our car. What are the symptoms in this case? The mass air flow sensor measures the amount of air entering the engine, allowing the ECU to calculate how much fuel to inject into the cylinders to ensure optimal combustion.

If it starts to malfunction, it can cause performance issues, in fact the first symptom is a loss of engine power, because the ECU is not receiving the correct information.

A second symptom is unstable idling, then we will have a difficult engine to start, and the engine light will almost certainly come on. Furthermore, we will have abnormal fuel consumption and abnormal exhaust gas emissions. It is therefore important not to overlook these symptoms and have the car checked as soon as possible.


Posted on 8 December 2024 by ScegliAuto


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by ScegliAuto

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