The symptom sensor mass air flow and its diagnosis

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2019-11-15 08:00:08

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Sensor mass air flow (abbreviated MAF) – it is an indispensable device which determines and regulates the flow of the necessary quantity of air into the combustion chamber of the engine. Its structure necessarily includes a thermal anemometer, whose primary function is to measure the cost of supplied gases. The mass air flow sensor VAZ-2114 and 2115 is located near the air filter. But regardless of its location breaks down it is equally as all current models of the Volga car factory. In this article, we consider a symptom of sensor malfunction mass air flow, and also find out how to check its current status without calling professionals.

sign sensor fault mass air flow

How can you determine that the MAF has to be replaced or repaired?

In fact, the symptoms of damage the part very, very much. The main symptom of sensor malfunction mass air flow – is the appearance on the dashboard Check Engine lights (literally – “Check engine”). Also a faulty MAF may indicate increased fuel consumption. Another symptom – bad engine start. This problem can arise even when the level of battery charge equal 80-99%, and is 30 OFrom heat. Strange car running, too, can signal the failure.

mass air flow sensor VAZ 2114

The Main symptom of a sensor failure MAF may be bad dynamics of dispersal and “failures” in motion, that is, the machine slows down dramatically, and then sharply accelerates. And the last symptom – it's a bad engine. If the engine is constantly misfiring, and the rpm constantly “jump”, this is a sign of sensor failure mass air flow.

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Determine the current status of the part

So how to check the mass air flow sensor is possible without a HUNDRED, this manual will be useful to all motorists. So, in order to test the MAF, Unscrew the clamp securing the corrugation of the air intake on the output.

This is Done with a notched screwdriver. how to test mass air flow sensorAfter removing the clamp carefully extracted the tube and watch it surface. Ideally, the interior should be dry and clean. By the way, if the air filter you will change late, it may adversely affect the condition of the MAF sensor and contaminate it with small particles of road dust. Further, by using open-end wrench 10 vivenciais fasteners MAF and see his condition. When the input edge of the rubber ring gasket is not on its place, it is necessary to immediately correct or replace. Otherwise, from dust sensor will cease to function normally. If during disassembly in the design of the diagnosed details you find traces of oil, it says clogged maslootboynika or increased concentration of the lubricant in the motor. In the first case, the system should be cleaned, and the second to drain the excess oil.

Remember, no matter what signs and failure was not present, to neglect the repair or replacement of the sensor in any case is not necessary, or increased fuel consumption will be guaranteed.


Article in other languages:

AR: https://tostpost.com/ar/cars/19904-the-symptom-sensor-mass-air-flow-and-its-diagnosis.html

BE: https://tostpost.com/be/a-tamab-l/37617-prykmeta-nyaspra-nasc-datchyka-masavaga-rashodu-pavetra-yago-dyyagnost.html

DE: https://tostpost.com/de/autos/37272-symptom-der-maf-sensor-und-seine-diagnose.html

ES: https://tostpost.com/es/coches/37007-un-signo-de-mal-funcionamiento-del-sensor-de-flujo-de-masa-de-aire-y-s.html

HI: https://tostpost.com/hi/cars/21588-the-symptom-sensor-mass-air-flow-and-its-diagnosis.html

JA: https://tostpost.com/ja/cars/19571-the-symptom-sensor-mass-air-flow-and-its-diagnosis.html

KK: https://tostpost.com/kk/avtomobil-der/37971-belg-s-a-auly-datchik-auany-zhappay-shy-ynyny-zh-ne-ony-diagnostikasy.html

PL: https://tostpost.com/pl/samochody/39444-objaw-usterki-czujnika-masowego-przep-ywu-powietrza-i-jego-diagnostyka.html

PT: https://tostpost.com/pt/carros/39112-um-sinal-de-mau-funcionamento-do-sensor-de-fluxo-de-massa-de-ar-e-seu-.html

TR: https://tostpost.com/tr/arabalar/34465-belirti-ar-za-sens-r-k-tle-hava-ak-ve-tan.html

UK: https://tostpost.com/uk/avtomob-l/38355-oznaka-nespravnost-datchika-masovogo-vitrati-pov-trya-ta-yogo-d-agnost.html

ZH: https://tostpost.com/zh/cars/34653-the-symptom-sensor-mass-air-flow-and-its-diagnosis.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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