DEVICE OF AN ELECTRONIC ENGINE CONTROL SYSTEM IN CARS OF THE LADA-SAMARA, LADA-KALINA, LADA-GRANT FAMILY WITH M74 EURO-4 CONTROLLER

Fuel tank - removal and installation

Removal

1. Place the car on a two-post lift and brake with the parking brake (electro-hydraulic lift type P-3.2G with a lifting capacity of 3.2 tons).

2. Fold the rear seat cushion forward.

3. Unscrew the four screws 2, Figure 4-1, and remove the cover 1 (Phillips screwdriver).

Removing the hatch cover:

  1. MEBN hatch cover;
  2. MEBN hatch cover fastening screws.

4. Disconnect block 3 from electric fuel pump module 1.

Removing the MEBN:

  1. MEBN;
  2. pressure ring;
  3. wiring harness block to MEBN;
  4. fuel tank;
  5. fuel filter tube and fuel line;
  6. electric fuel pump and fuel filter tube.

5. Start the engine and let it idle until it stops completely to relieve pressure in the fuel system, ensuring exhaust gases are removed (exhaust coil with SERF/SP fan from SovPlym).

6. Turn off the ignition.

7. Disconnect the earth wire terminal from the battery (10 mm wrench).

8. Raise the car and drain as much fuel as possible from the fuel tank (fuel canister, autosiphon).

9. Raise the car on a lift to a height convenient for performing work.

10. Disconnect the muffler from pillows 1.

Removing the muffler:

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Real fuel consumption of Lada Granta: reviews from owners

No matter how the manufacturer declares the parameters of the optimal fuel consumption of the Lada Grant, the real picture can always be found out from those who have been using this car for many years. Depending on the type of engine, the car’s fuel consumption per 100 km has the following values ​​(combined cycle/highway/city):

Engines LADA GRANTA

According to reviews from Lada Granta owners, the average fuel consumption per 100 km in the highway/city/combined cycle ratio is:

  • on the highway from 5.5 to 6.5 liters;
  • in the city from 9 to 11.8 l;
  • mixed cycle from 7.5 to 8.1 l.

These indicators are relative, since in practice each car is operated in certain climatic conditions and has its own technical characteristics.

Payment via Portmone

After selecting payment through Portmone, the payment system will launch, where you need to select the payment method: bank card or Portmone account.

The price in the Portmone payment system is converted into dollars at the exchange rate of the Central Bank of the country where you are located.

If you have a bank card in a currency other than the dollar, then the money will be debited from the card at the rate of the Central Bank of your country at the time of the purchase.

After specifying payment details and confirming payment, payment for the goods will occur.

Official website of the Portmone payment system https://www.portmone.com

Price information

So far, only cars in two trim levels are on sale: standard and norm, and only in a sedan body. The hatchbacks will go on sale in early 2013. The starting price for a car in the basic configuration is 229 thousand rubles. The standard equipment will cost 256 thousand, and you will have to pay an additional 8,000 rubles for the wheels. The cost of the “luxury” version is not yet known exactly, but according to AvtoVAZ representatives, it will not exceed 270-280 thousand rubles. From mid-2012, Lada Granta cars with a Japanese automatic transmission can go on sale. It is not known how much such a Grant will cost, but AvtoVAZ representatives say that the cost of a car with automatic transmission will be about 300 thousand rubles.

Payment via PayPal

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Payment via WebMoney

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System design

The fuel injection system consists of electronic and mechanical components. The first controls the operating parameters of the power unit and, based on them, sends signals to activate the executive (mechanical) part.

The electronic component includes a microcontroller (electronic control unit) and a large number of tracking sensors:

  • Lambda probe;
  • crankshaft position;
  • mass air flow;
  • throttle position;
  • detonation;
  • coolant temperature;
  • air pressure in the intake manifold.

Injector system sensors

Some cars may have several additional sensors. They all have one task - to determine the operating parameters of the power unit and transmit them to the ECU

As for the mechanical part, it includes the following elements:

  • tank;
  • electric fuel pump;
  • fuel lines;
  • filter;
  • pressure regulator;
  • fuel rail;
  • injectors.

Simple fuel injection system

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How to reduce fuel consumption on a Lada Granta

To reduce fuel consumption on the Lada Granta, it is recommended to adhere to the following rules:

  1. 1. Drive the car in normal mode without speeding or sudden maneuvers;
  2. 2. The driving speed should always correspond to the engine speed, which will protect the engine from overload as much as possible. There is a rule of intelligent driving - the less you use the brakes, the more fuel you save. This means don't rush to the changing traffic light to brake hard before the stop line. The driver must learn to calculate the speed of the car in certain driving situations;
  3. Use high-quality lubricants and fuel for the engine;
  4. Regularly and promptly carry out maintenance and repair of the engine and fuel system in a timely manner.

Problems when paying with bank cards

Sometimes difficulties may arise when paying with Visa/MasterCard bank cards. The most common of them:

  1. There is a restriction on the card for paying for online purchases
  2. A plastic card is not intended for making payments online.
  3. The plastic card is not activated for making payments online.
  4. There are not enough funds on the plastic card.

In order to solve these problems, you need to call or write to the technical support of the bank where you are served. Bank specialists will help you resolve them and make payments.

That's basically it. The entire process of paying for a book in PDF format on car repair on our website takes 1-2 minutes.

The main reasons causing excessive fuel consumption of Lada Granta

Among the reasons why the fuel consumption of a Lada Granta car is unreasonably high are:

  • subjective, depending on driving style;
  • objective, related to the features and technical condition of the machine.

In the first case, excessive consumption of gasoline is caused by:

  • sudden braking and acceleration;
  • poorly warmed up engine;
  • ill-conceived tuning that worsens the aerodynamics of the car;
  • machine overload;
  • operating a vehicle in mountainous areas;
  • driving too fast.

Engine LADA GRANTA

Among the objective reasons are:

  • wear of engine parts;
  • breakdowns or failure of elements of the vehicle’s power system;
  • insufficient tire pressure;
  • Brake failure, creating excessive friction and resistance.
  • air conditioning operation;
  • damage to the wheel bearing, causing increased resistance when driving.
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