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AUDI 80 B3 • The Unmatched Marvel? Delving into the Automotive History of the 1980s.

AUDI 80 B3 • The Unmatched Marvel? Delving into the Automotive History of the 1980s.

Channel: Auto History Highlights

Расход 20 литров на 100 км. Проверка потенциометра датчика заслонки ДПДЗ

Расход 20 литров на 100 км. Проверка потенциометра датчика заслонки ДПДЗ

Channel: Андрей Северный

Расход бензина. Проверка топливной форсунки моновпрыск

Расход бензина. Проверка топливной форсунки моновпрыск

Channel: Андрей Северный

регулятор давления топлива

давление топлива

моновпрыск

форсунка

моновпрыск фольксваген

моновпрыск б3

моновпрыск ауди

моновпрыск опель

опель

вектра

моновпрыск ауди 80

бензонасос

регулятор топливо

форсунка моновпрыск

как проверить регулятор давления топлива

бедная смесь

богатая смесь

ауди 80

пассат б3

большой расход топлива

большой расход бензина

жрет бензин

давление бензонасоса

б3

фольксваген

ауди

00:00:00

Hello everyone, many people think that the operation of the

00:00:04

fuel pump depends on the engine speed;

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the higher the speed, the more pressure the

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fuel pump creates, but this is not so;

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the fuel pump, or rather the electric fuel pump,

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always operates in the same mode

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with the same speed;

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12 volts are supplied to it and it tries to create

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the pressure that is stated in its

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characteristics, let's say if the fuel pump

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is 4 bar,

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it will try to create 4 bar,

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the only thing is that 4 bar will not allow it to

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create a

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fuel pressure regulator,

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let me now take off the cover and

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see what it looks like, well,

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I took off the cover, this is the

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pressure regulator fuel,

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let's figure out why it is needed, how

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it works and what will happen if it is

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faulty, and if you disassemble the

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pressure regulator, it will look something like this,

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here the spring

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membrane is empty in the comments he

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wrote to me that my mono injection is all

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dirty in oil, black, that the lambda is it does

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n’t work for me that the oil lives there in

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tons, so with mono injection there

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will always be a little bit in the oil,

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it won’t always be perfectly clean,

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especially since the engines are not new

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since there is a pipe from the cover

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through this pipe into mono injection, crankcase gases

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lend themselves to crankcase gases and

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they suck in oil mist into the combustion chamber and

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there they burn out along with the fuel, so

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a little bit of oil

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will always be present, and when

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the oil is already old, then naturally it

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will get a little dirty,

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and I would immediately like to answer about the

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expansion tank,

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that it is black, that the engine is overheated, and

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so on, this tank went to I got the

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car 12 years ago and it’s still there and

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works great, maybe I’ll

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take it off and wash it, but I don’t think it

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will be any lighter, and it’s been a

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while since I got there, so how does the fuel pressure regulator work?

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for a long time about

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six or seven years ago and I think it’s set

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at 4 bar, as you know, for the

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injector to work you need from 0 8 to 12

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abaray, take it, the pressure is too

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high, that’s why

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you need a

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fuel pressure regulator, excess

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pressure resets the return hose and

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the fuel goes back It’s

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like a closed circuit; fuel

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enters the tank and the excess goes straight back

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into the tank; the injector pressure is constantly

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maintained by the king from 0 8, according to some

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other sources, from 0 9 to 1 and 2 bar; the

00:03:26

injector does not pump fuel;

00:03:28

it simply either opens or

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closes, which means the fuel pump creates

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pressure, the

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pressure regulator leaves it at the normal level

00:03:39

that is needed for the injector, and at this

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moment the injector opens or

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closes, the manager comes, the cons of the

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Bowie and the entire amount of fuel depends on the

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duration of the

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opening of the injector

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after power appeared on the steering wheel

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and it worked from 30 tires on which

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plus is constant the

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power goes through the 18th fuse to the

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fuel pump

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and there is also a tap here, the

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power goes to the injector

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minus the injector is supplied with fate, I have

00:04:28

contacts 13

00:04:31

because they are guided by the readings of the

00:04:33

sensors and using the minus increases

00:04:38

or decreases the duration of fuel injection due to a

00:04:42

malfunction of the fuel pressure regulator

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there can be either a rich or lean fuel

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mixture, let's imagine what

00:04:51

will happen if the fuel pressure regulator

00:04:53

does not work correctly, let's say it does

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not release pressure to the return line,

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then the pressure at the inlet to the injector

00:05:02

increases and fuel consumption will

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increase and, moreover,

00:05:08

fuel may pass through the

00:05:11

o-rings due to high

00:05:13

pressure, which will also increase

00:05:15

fuel consumption and if the fuel pressure regulator

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releases too much into

00:05:21

the return line,

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then the pressure at the injector inlet will be

00:05:26

too low and the

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engine will not have enough fuel and the

00:05:29

mixture will be lean; so quickly

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check the fuel pressure regulator is a

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lean mixture

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or not, you can just bend

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this lower hose, oh, we bend it and

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fuel will not be discharged into the return line, the

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business creates pressure and the car

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starts,

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which means it’s all about the fuel pressure regulators;

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in order to more accurately

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check the pressure regulator,

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you need to disconnect this

00:06:02

fuel hose and connect the pressure gauge to the gap,

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start the car and see what the

00:06:09

pressure will be, the pressure should be from 0

00:06:12

8 0 9 bar to 1 and 2 bar, then turn off

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the car and wait about five minutes, then look

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at the pressure gauge, the pressure should not fall

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below 0 5 bar, in principle,

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the operation of the regulator is something - then similar to the

00:06:30

operation of the valve in the cap of the expansion

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tank,

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it also releases excess pressure,

00:06:37

that here they release excess pressure, that

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here they release excess pressure,

00:06:43

they write to me in the comments,

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you are not tired of constantly repairing

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your car, throw it out there or give it to

00:06:50

scrap metal and so on I want to say

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that basically I shoot videos, I specially

00:06:56

disassemble and assemble them for the video, it does

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n’t break down very often, but that’s it, dear

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friends, here’s a short video about the

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fuel pressure regulator

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in the future I’ll probably make a video in

00:07:10

more detail and write your comments,

00:07:13

like it if there was a video useful to

00:07:15

everyone for now

Description:

Как проверить регулятор давления топлива моновпрыска и какое давление создает бензонасос. Как работает и что будет если регулятор давления топлива неисправен. Как известно бензонасос, вернее электробезонасос всегда работает в одном режиме и при увеличении оборотов двигателя, его обороты не меняются. То есть на бензонасос приходит 12 вольт и он просто работает и создает давление. А вот топливная форсунка моновпрыска открывается и закрывается. Количество впрыскиваемого топлива зависит от длительности открытия форсунки. Например у меня стоит насос на 4 бара и это очень много для работы форсунки. Вот здесь и вступает в работу регулятор, он оставляет давление в районе 0.8 -1.2 бара, а остальное сбрасывает в обратку и далее в бензобак. Большое давление приводит к большому расходу топлива (богатая смесь), при маленьком давлении будет бедная топливная смесь. В общем если большой расход топлива, то нужно проверить давления топлива на входе в форсунку моновпрыска. ============ 🛑Все фишки и секреты ремонта Фольксваген и Ауди 👉 https://vk.ru/vagguru 🛑Телеграм, где все ответы на вопросы 👉https://t.me/+fMNhVhSfxycwZWYy Канал Дзен https://dzen.ru/severny Телеграм https://t.me/avtovag Группа в ВК https://vk.com/vagguru Почта: [email protected] Если вам помогло видео и есть желание помочь в развитии канала Карта Сбербанка: 4276 1609 2679 5262 Андрей С. Подписывайтесь! Ставьте лайк, если видео было полезным!

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