The Topic of this article – it is the engine of VAZ-2110 (8 valve) of the injector in the fuel injection system. The main task-to find all its advantages and disadvantages, compare with petrol engine. But you need to delve a little into history, to see how was developed this engine, how good it is maintenance and repair. And begin the story will be from the late 70-ies of the last century, when the Vase engineers thought about the design of front wheel drive cars. And after will be considered injection the injection system, its difference from the carb, advantages and disadvantages.
And now the story originates from the engine VAZ-2110 (8 valve) injector. And it was started in the late 70-ies. In these years, the designers begin to realize that for many years produced classic has a high cost. In addition, “Fiat 124” – this is the best car in Europe in 1964. Nearly two decades have passed, you need to upgrade the lineup. And began experimenting. First modernized wheel drive, naturally, began to use the belt. But with the engine VAZ-2105 (years of production 1980-1988) he settled down, though, and reduced the noise level.
The Reason is simple: the pistons need sanding, which do not allow for the open clash of valves. But in the repair of engines was installed, as a rule, suitable for the size, but without grooves, the pistons, with engines of 1.3 liters. But in the early 80s published in the eighth generation. More new to match European counterparts. And most importantly – cars have front-wheel drive, motor with a belt drive for the timing mechanism. And it was the same engine that a lot of alterations installs on modern cars. On the models 2109 and 2110 of these powertrains were first adapted to an injection system for injection.
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No significant differences can not be detected by a cursory examination. Carbureted, fuel injection system injection do not affect the basic design of the engine. But should pay attention to the details. For example, look at the thermostat VAZ-2110 injector (8 valves). Immediately catches the eye that it can be dismantled! Exactly! Engineers in Europe are sitting and thinking about how to reduce the life of the car, and our at this time real improvements that benefit the consumer. It is clear that the thermostat is broken not the body, and the insides – a thermally sensitive element or valve. Therefore, why produce millions of cases? Much cheaper would be to make one for the car, and in case of failure of the thermostat to change only the inside.
But that's not all the advantages of domestic engines. Note that in the US and Europe all cars are the same, sometimes repair does not make sense, easier to throw in the scrap, but to buy a new one. The reason is partly in the engine. For example, AVTOVAZ – it is almost the only plant that continues on its products to put blocks of internal combustion engines made of cast iron! In all developed countries, alloys of aluminium have long been used for this purpose! Engine life suffers, but most importantly – there is no way to perform a repair, as it not be boring or peregrinovna. And this is much cheaper than buying a new engine or car. Maybe a wealthy burgher and can afford it, but in our country car for many people is still a luxury.
And now will see what it looks like on the car VAZ-2110 diagram of the injector, consider the basic components and working principle. But first you need to answer the questions what injector and what it's for. Everyone knows that until the late 90s was installed carburetors. In them by the air streams were mixing, and then flow into the intake manifold of the fuel system. And this clever device to mix the gasoline with air in perfect proportions – 14 to 1. But there is a game of vacuum and atmospheric pressure.
But the engine VAZ-2110 (8 valve) injector is much easier than the carbureted version. But it is viewed from the point of view of the electrician. The fact that the system consists of many electronic devices, which are responsible for the whole engine. Instead of the carburetor on the intake manifold installed ramp. In fact, this section of pipe in which air-fuel mixture. It is pumped from the tank with the electric pump under slight pressure. By default, the ramp is completely sealed from the channels of the intake manifold it is separated solenoid valves-nozzles. But here's the twist: the rail is maintained constant pressure, which adjusts the sensor and the quality of the mixture and the quantity of supplied gasoline is directly dependent on how open the throttle valve.
So, now more details about the system of power injection engine VAZ-2110. First on the list is the fuel pump. It is mounted directly in the tank together with the filter, and driven by the rotor of the motor only when the ignition is switched on (provided that the rail pressurebelow the minimum level). Further, the fuel flows through the tubes in the ramp. Here the formation of the mixture. The air first passes through the filter for cleaning. Flexible tube filter housing is connected to throttle knot.
No less interesting engine VAZ-2110 (8 valves). The injector device of the control system, to be exact, includes a plurality of sensors. The entire control takes place by means of sensors. So, between the filter and throttle sensor, mass air flow. On the damper is mounted a position sensor. The rail - pressure. In addition, between the second and third cylinders on the surface of the engine block is the knock sensor. And the pulley of the generator-engine speed. From the transmission measurement is made of the speed of the car. All the data that come from readers are the electronic control unit.
This, if I may say so, the heart of the system. The VAZ-2110 is a diagram of the injector is reduced to that device. A small body with a lot of output, but inside is the most interesting – a microcontroller. Here he regulates the entire operation of the engine. In the internal memory inherent to the so-called fuel card. The controller determines how much air and fuel must submit to the ramp, so the engine worked as normal, did not knock. But most importantly – in what period of time must submit a pulse to the fuel injectors to open and inject the mixture into the combustion chamber.
And now a little about what will be more reliable engine VAZ-2110: injector or carb? And you need to look from different sides to this question. For example, beginners will like the injector. Constant speed, no need for cold to shut off the flow of air, and pulling away is much easier. But there is still an advantage – car at high speeds more high. Even at a speed of 120 km/h when squeezing the gas pedal, the car quickly gaining speed. From carburetor it is much slower. Therefore to overtake the vehicle with the injector safer. But when you start with light carb easily “tear” injector. And the reason is the higher torque at lower levels. And the cost of maintenance, of course, injection “ten” is higher, as it is sometimes difficult to make an accurate diagnosis in case of breakage.
Article in other languages:
AR: https://tostpost.com/ar/cars/4033-vaz-2110-8-vaz-2110.html
HI: https://tostpost.com/hi/cars/4036-2110-8--2110.html
JA: https://tostpost.com/ja/cars/4034-vaz-2110-8-vaz-2110.html
ZH: https://tostpost.com/zh/cars/4367-vaz-2110-8-vaz-2110.html
Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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