| The air intake system is a car part that needs full | | | | and closing a flap. |
| attention all the time. | | | | However, you cannot accurately measure the |
| It is carefully built and tuned for an automobile to | | | | incoming air for the appropriate fuel mixture. |
| experience the maximum efficiency and power. It is | | | | Nonetheless, for an idle car, you can use emission |
| the part of the internal combustion engine that is a | | | | analyzer. Then, adjust the fuel mixture. Remember |
| powerful air pump. Its function is to increase the | | | | that you cannot attain the right fuel mixture at higher |
| velocity of the air until such time that it travels in to | | | | speeds. |
| the combustion chamber. This is done at the same | | | | While some car manufacturers do not recommend |
| time while minimizing the turbulence and restriction of | | | | carburetor adjustments, some manufacturers |
| flow. The intake works by testing the flow of air on | | | | recommend carburetor adjustments on a |
| a flow bench in the port design stage. | | | | dynamometer with the engine under load. |
| To tremendously improve the car's performance, | | | | Vehicles using fuel injection, air is drawn in through |
| extensive tweaking of the intake system is found on | | | | the air intake. It is a long plastic tube that transcends |
| cars with turbochargers or superchargers that | | | | up to the space for the air filter. The intake tube is |
| provide a pressurized intake system. | | | | long because it must make the air move in a fairly |
| Consumers nowadays mostly prefer modern cars. | | | | steady, coherent stream. Through the air filter and |
| And these cars also require a modern air intake | | | | then followed by the air flow meter, the air passes. |
| system that has 3 major parts, namely an air filter, | | | | The vane type and the hot wire type are the two |
| mass flow sensor, and throttle body. In order to | | | | types of AFMs. The first one contains a flap that is |
| reduce the noise that enters the cabin, more recent | | | | forced by the incoming air. More flaps are forced |
| cars now have silencer. This car part hinders the flow | | | | back when there is more amount of air that is |
| of air and creates turbulence that reduces total | | | | coming in. A potentiometer that is attached to the |
| power. In effect, many performance fanatics often | | | | flap sends a signal of voltage to the Power train |
| remove the silencers. | | | | Control Module (PCM). Behind the main vane is a |
| Specific lengths of air intakes are designed for the air | | | | second vane. This fits into a closed camber which |
| to vibrate and be available at a specific frequency. | | | | suppresses the movement of the vane. In effect, a |
| This assists the flow of air into the combustion | | | | more accurate measurement is given. An Air |
| chamber. To minimize the restriction of flow at the | | | | Temperature Sensor, which functions exactly as it |
| cost of changing the pattern of the air intake for a | | | | does in the carbureted engine, is also built into the |
| small net increase in power or torque, the | | | | vane AFM. |
| aftermarket industry now has larger throttle bodies | | | | On the other hand, the hot wire AFM utilizes a series |
| and air filters. | | | | of wires strung in the air stream. The wire resistance |
| In the case of your Daihatsu car, if you feel any | | | | at normal operating temperature is held constant; it |
| damage in its air intake, the Daihatsu oxygen sensor | | | | will allow a set voltage through it. The air cools as it |
| might be in trouble. Check your owner's manual and | | | | passes through the hot wire. And during this process, |
| know how to solve. | | | | the wire resistance diminishes. As a result, it allows |
| As a car owner, you need to know other things | | | | passing through more voltage. The signal of the |
| about your air intake system. One of which is the | | | | voltage then goes to the main EFI computer. There, |
| process of how the air and the fuel that needs to | | | | it allows the fuel mixture to be adjusted. And then, |
| burn get into the cylinders. | | | | from the AFM, it goes to the throttle chamber. |
| In a carburetor equipped engine, the air comes into | | | | The air that flows into the engine is controlled by the |
| the space for air filter. Air passes through the air filter | | | | chamber. The car comes in an idle mode when the |
| and then into the carburetor where the fuel is | | | | throttle chamber is closed. A small bypass chamber |
| blended with it. Through the intake manifold, it | | | | allows a small amount of air to bypass the throttle |
| passes. And then it is drawn into the cylinders. | | | | plate and proceed into the engine. |
| The Air Temperature Sensor is the most advanced | | | | The Throttle Position Sensor (TPS) and the Cold |
| part of the air intake system. This prevents | | | | Start Valve are among the other essential parts of |
| carburetor icing that might cause your vehicle to stall | | | | the air intake system. |
| and die out. It also facilitates vaporization of the fuel | | | | And so this is how the air intake system works and |
| into the air stream. Moreover, it is used to gauge the | | | | how air enters the engine. Having knowledge on this |
| temperature of air. It also allows cool air in through | | | | will lessen your ignorance when it comes to intake |
| the air horn or heated air piped in from around an | | | | matters. A frequent owner's manual browsing will also |
| exhaust manifold. And this is done through opening | | | | help a lot. |