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As the complexity of the design of its car repair becomes more time-consuming task. In this case, a large problem is the situation where there is no apparent damage, motor function, but there the power falls abruptly jumps fuel consumption, uneven progress there, "floating" momentum. In this case we have to contact the automobile diagnostician, but even they were not always able to detect the problem. But the damage can identify any driver; only need one cigarette. Read more about this - later in the review.
The owners of both new cars and used cars are risking a very vile damage. It's about the intake system leak. It would seem that can be bad from the small gap between the rubber bands, pipes and flutes? But in practice, even small slits provide extra couple of liters of fuel per 100 km, a difficult start, the floating speed is at idle and under load.
The problem arises from the fact that the air passing through the slit (called the "unrecorded") dilutes the fuel mixture. In gasoline engines, the mixture prepared in the carburettor, and if it is then mixed into the air unaccounted for her, she "depleted" and the engine loses power, it will be bad start.
On injection engines all incoming air passes through the measuring device, the air flow sensor (DMRV). On the basis of his testimony on-board computer calculates how much fuel you need to inject into the cylinders or in the inlets. Therefore, if the intake manifold through the dried gum will fall unrecorded air, the engine runs intermittently, since a computer that receives information from the oxygen sensor (oxygen sensor) will "understand" that the system is wrong, and to correct the situation will not able to.
Well, to find air leakage is possible. The service station for this purpose two methods. Firstly, it is possible in a compressor to pump air intake system and listen to where it will go. Usually, going through small crevices, I heard the whistle. And even better - use the smoke generator. This device allows you to accurately see where unrecorded air enters the system. Obviously, this is a very useful thing, but there is one "but" - its price. But there is a way out: the budget, but they are not less effective smoke generator can be made with your own hands.
Construction of smoke-machine running on a cigarette, came up with craftsman from Ulyanovsk. He even started manufacturing these devices at an affordable price. The base structure - PVC or rubber hose which one end is connected to the nipple on the wheel. On the other side there is a capsule in which embeds the smoldering cigarette. From the capsule is the second hose that connects to the inlet. The air coming from the wheel inflates cigarette smoke and enters the intake manifold and then back out "free", identifying the crack or gap between the parts. This device can be made even more convenient, providing it with shut-off valves and fittings tight. To do this is quite hand to anyone, but you can save on a decent diagnosis. More details on the smoke generator, powered by the cigarette, look at the video.
Drivers who do all the repairs themselves, will also be useful to know, both with their own hands to correct those breakdowns that "enraged" the most. And motorists from Moscow will be able to save well, if they learn remove the dents on the bumper, without resorting to service stations.
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A source: https://novate.ru/blogs/060219/49363/