Function and Symptoms of Mass Air Flow Sensor in Car Engine

Technical

Nov 27th, 2018

Function and Symptoms of Mass Air Flow Sensor in Car Engine

The mass air flow sensor in vehicle is one of the parts of the vehicle that get little attention from car users, if you have little or no knowledge about automobiles, there is a high chance that you have never hear about this part and the functions that it performs.

Function of Mass Air Flow Sensor

As you already know, the internal combustion engine of your car needs a proper balance of air and fuel in its cylinders for optimum combustion to take place. This will generate the proper amount of power needed to satisfy the demands that is placed on it by the accelerator. All these are under the engine control unit. When external air enters the engine, there is an engine component which is known as the mass air flow sensor. The basic duty of this sensor is to detects the mass of this air. Once the air flow mass is calculated by this sensor, it then sends this information to the engine control unit. From there, the unit can correctly tell the fuel injectors how much fuel to send into the engine cylinders. This balances the fuel and air fuel ratio to promote a successful combustion. 

I hope it is now clear to you how all these components work together. Since you now know the importance of this sensor, it will be good for us to know the symptoms to look out for when this component is damaged.

Symptoms of Bad or Damaged Mass Air Flow Sensor

If your car mass air flow sensor should get damaged because of any reason, it will give the wrong information about the mass of air to send to the engine control unit. This will risk the whole inside burning procedure on the grounds that the motor won't get the correct measure of fuel from the injectors. Keep in mind, the motor control unit needs the right mass wind stream data to realize how much fuel to put into the motor chambers. In the event that the data is wrong, at that point an inaccurate measure of fuel will be put into the motor.

To ensure you detect this issue at an early stage, below are the top symptoms of a terrible mass wind stream sensor that you have to keep an eye out for. A portion of these side effects can be caused by different issues with the vehicle. Be that as it may, in the event that you see somewhere around a few of these manifestations occurring in the meantime, you can likely pinpoint the issue specifically on the flawed mass wind stream sensor.

Motor Stalling

You may start your vehicle, and everything will appear to be fine. In any case, not long after you start driving the vehicle, the motor may slow down at some startling minute. This will incite you to need to start your car once more. On the off chance that you continue encountering this motor slowing down issue, attempt to get your vehicle to the closest auto mechanic before you can't start your car by any means. On the off chance that you effectively experienced unpleasant sounds before this indication, at that point slowing down will additionally affirm that you have an awful mass wind current sensor.

Acceleration Problem

If you venture on the gas pedal to quicken your vehicle and experience delay as you endeavor to go quicker, it may be as a result of a terrible mass wind current sensor. This can be affirmed if the delay is trailed by jerkiness. The vehicle will begin to yank a considerable measure as you endeavor to go quicker. These are large signs that your motor isn't accepting the right measure of air and fuel. Albeit different issues can make this occur, check the mass wind stream sensor to check whether that is as yet utilitarian.

Engine Runs too Lean

High fuel to air ratio in the burning chamber implies there is more fuel than air in the chamber. On the off chance that you have low fuel to air ratio, at that point more air is in the barrels than fuel. Either case can spell inconvenience for the burning procedure of the motor since it will either make inadequate power to be created or an excess of fuel to be consumed. The most exceedingly terrible part is that you won't see this issue except if you monitor your miles per gallon. In the event that you see that you get fewer miles per gallon, at that point you most likely have a rich or lean motor circumstance.

Unpleasant Idling

When the mass wind stream sensor is terrible, the motor control unit won't get any data from it. Therefore, the motor control unit won't know the best possible measure of fuel to have infused into the chambers. This will make the motor experience unpleasant sitting at whatever point you stop or stop the vehicle. Watch the tachometer on your dashboard and check whether your RPM speed varies quickly in an inert position. In the event that it does, at that point, you most likely have an awful mass wind current sensor to stress over.

Awful Fuel Economy

If your motor runs excessively rich due to an awful mass wind stream sensor, you can expect that your mileage will languish over it. The motor control unit may send excessively fuel into the chambers of the motor since it doesn't realize how much wind current mass is in there. The more fuel that is expended per ignition, the more it will deplete your wallet at the gas siphon.

Note: The importance of this sensor is really great. You won't have the capacity to keep your car going too long without a completely practical mass wind current sensor. Your capacity to legitimately control your vehicle will be imperiled. It is smarter to simply supplant the sensor at the earliest opportunity before your issues deteriorate. All the more significantly, you ought to do as such before your car gets terribly destroyed. The price of air sensor is just a few bucks which can not be compared to the cost of getting a new car engine.