The popular domestic Lada Priora has many vulnerable elements and components, one of which is the gasoline pump fuse. Numerous owners of this car, from their own experience, state that this part has to be changed often, and mostly do it all with their own hands. The most important thing in this matter is to know where the fuel pump relay itself is located, as well as how to remove it correctly.
In this matter, it is important to know where the so-called mounting block is located in the Lada Priora. This is where you will find the fuel pump relay and fuses, that is, all the electrical equipment of the car is concentrated here.
How does the fuel pump work in Priora?
The pump, as the name implies, supplies fuel to a special intake manifold. If the pump breaks down, it will not be possible to start the car, since the fuel supply to the power unit will be cut off. Again, from the experience of Lada Priora owners, it is known that if problems begin with the engine, it is the fuel pump fuse that is initially checked.
The operation of such an important device in the car as the fuel pump is fully controlled by an electronic system. During ignition, the signal is transmitted to the gasoline pump itself, and it begins to function immediately. This creates a certain pressure necessary for uninterrupted delivery of gasoline to the engine.
Product selection
AvtoVAZ offers an original fuel pump for 4,000 rubles. The original catalog number is 2112-1139009. But many car enthusiasts buy and install cheaper analogues instead of the original.
Analogs
Bosch fuel pump.
A non-original part is often no different in quality from the original. So, if the vehicle owner wants to save money, then you can install a non-original part. Let's consider the main offers of analogue companies:
- Fenox EFM33006O7 - the cost of such a part will be about 3,000 rubles.
- Bosch 0 560 454 035 - as they say, I took BOSCH, and ... (go ahead).
- Ween 192-0262 – the price on the spare parts market will be approximately 3,000 rubles.
- Pekar 2112-1139009 - will cost a little more than the previous two, the average price is 3,500 rubles.
- ATS 53453 - praised, but the price tag is good. We know they put one like this as a replacement for expensive originals on Peugeot.
ATS fuel pump.
Functionality of the fuel pump fuse
The fuse itself has a fairly simple design, and consists of a small fire-resistant plastic housing, as well as a pair of aluminum contacts. The element fails when high voltage occurs in the system. As a rule, the fuse shell melts. If you find a melted fuse in a Lada Priora, it needs to be replaced as soon as possible. Between the 2 contacts there is a special contact thread, through which the current actually passes. Always pay attention to the markings, and if the fuse is marked 15A (amps), then this value cannot be exceeded. If more voltage passes through the thread, it will simply break and the fuse body will melt.
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Useful information and nuances of installing filters
It’s interesting, but original filters for Ford Focus are practically never found on sale. Thus, the manufacturer forces you to change the entire pump assembly. The Ford Focus car uses two types of filters: FGO (for coarse cleaning), which is a mesh, and FTO in the form of a flask.
The purpose of the filters does not need to be described in detail. Let's just say that they efficiently clean fuel in two stages. This practice has long been found in the automotive industry: one filter removes all large particles of debris (mesh), the other qualitatively cleans the fuel before it is directly supplied to the engine.
The coarse mesh on the Ford Focus is located inside the pump
Fuel filters on a Ford Focus can have different designs and be located in different places, depending on the modification and system of the car. For example, on injection internal combustion engines, the FTO remote filter is located near the tank, and the FGO mesh is located inside the fuel pump.
Signs of a car fuel pump malfunction
On a Ford Focus, the FGO mesh is considered a disposable, non-removable element, and according to factory instructions, it can only be replaced when assembled with a pump. The replacement schedule for FTO (external) is every 60,000 km, for FGO (submersible) – every 120,000 km.
Replacing the remote filter is quite easy. You need to crawl under the car, which you have previously placed on a lift or pit. Before doing this, you should put on protective gloves and open the sash or window in the garage to allow benzene vapors to escape. To ensure fire safety, it is recommended to turn off all heating devices.
Next you need to act in the following sequence:
- Pour some fuel into the tank, start the engine and wait until it turns off (the system runs out of fuel - the pressure is released).
- The filter is attached to the body with a bolt, and you need to unscrew it.
- Disconnect the fuel hoses going to the filter (prepare an empty container in advance into which the fuel remaining in the pipes will be poured).
- The filter can then be removed by disconnecting it from the clamp.
- Tighten the new FTO into the clamp.
It is extremely important not to forget to mark the tubes, hoses and fittings that we remove
The Ford Focus remote filter is located separately from the pump
When installing a new filter, you should pay attention to the arrow marked on the housing. It indicates which side of the filter element should face the engine (i.e.
The filter must be placed so that it is directed with the arrow towards the car engine)
e. the filter must be placed so that it is directed with the arrow towards the car engine).
The arrow on the filter should point towards the engine during installation.
Replacement of the mesh is carried out together with replacement of the pump. However, there are motorists who know how to clean the mesh without changing it. There is another option: install a mesh from another car model at the inlet of the original fuel pump, thereby creating additional filtration. This is something like an upgrade designed to improve the stability of the engine for some time. In fact, only a full replacement of the element will make it possible to improve the dynamic and technical performance of the engine if the submersible filter no longer copes with its duties.
Almost all Ford Focus have a hole cut on top of the fuel tank, which is provided for removing the pump and filter without dismantling the entire tank.
The replacement algorithm looks like this:
- The rear sofa reclines.
- The wires going to the pump determine its location.
Wires to the fuel pump will help determine its location - If the hatch is not provided by the manufacturer, then you should use metal scissors to cut and bend the iron just enough so that it is enough to remove the pump.
A hatch cut out with scissors will provide easy access to the pump. - The pump is held on by a nut that must be unscrewed.
After the pump is dismantled, you need to remove the bottom plastic cover protecting the mesh.
The submersible filter is located inside the pump, it is hidden by the bottom plastic cover
All that remains is to remove the submersible filter and replace it. If the pump is being replaced, then you need to install a new unit in place of the old one. After assembly, be sure to pump some fuel into the system with the starter, but do not start the engine. Then you should check the connection for leaks. The car must also be tested in motion. If there are no leaks anywhere, all hoses and tubes are properly secured, then you need to drive the car at speed along the highway, then downhill. This is how the fuel supply is checked in different driving modes.
Where is the fuel pump relay located in Priora?
Any malfunction in the electrical equipment of LADA Priora needs to identify the cause, after which repairs are carried out. You can do the diagnostics yourself; you will need to inspect the fuses and fuel pump relay.
Domestic LADA Priora have the peculiarity that the relay block is divided into 3 parts. However, we need to find out where the fuel pump relay is located in the car we are considering. The device is located in an additional block, so to speak, on the front passenger side on the left. In this case, the main unit is located near the driver’s foot on the left. There you will find a cover that is secured with latches, which in turn must be rotated 90 degrees to open. There is also a secondary block, it is located in the engine compartment near the expansion tank.
So, we have opened an additional block, in which there are different fuses, how can we figure out which one we need? In the diagram specially shown on the cover of the block, the relays and fuses located there are looking for the marking F3, the amperage in this case is 15. The location of the relay on the existing diagram is indicated by marking K12. That’s basically all you need to know in order to easily locate the relay and the corresponding fuse in order to check their working ability.
Price
Below are the prices and part numbers for the fuel pump, depending on the manufacturer.
| Manufacturer | vendor code | Price, (rubles) |
| Bosch | 2112-1139009 | 2000 |
| SOATE | 60.1139-01 | 1100 |
| RES | 0588455055 | 900 |
The table below shows the elements of the fuel cup and their prices, taking into account the manufacturer.
| Detail | vendor code | Price, (rubles) |
| RTD | 11180-1160010-00 | 480 |
| Hose | 21083-113902200 | 30 |
| Mesh | 21101-113920000 | 30 |
| The cost of a complete fuel pump glass starts from 2,400 rubles. Article: 21101-1139009 |
Causes of fuel pump fuse failure
The smooth operation of the fuel pump in any car is directly related to the following devices of the fuel supply system:
- Relay. This device adapts the high current when starting the fuel pump, thus protecting the pump from combustion. If the relay breaks down, fuel supply is impossible.
- Fuse. It is this one that is located next to the corresponding relay; in cases of high voltage it fails so that the pump does not burn out.
- On-board computer.
How to remove the relay yourself to replace it? All you need is to simply carefully remove the relay from the mounting socket, this is done easily and effortlessly, the part is disconnected and a new one is installed in its place.
Based on the above, the following important points can be noted:
- A fuse protects an electrical circuit.
- Again, the fuse responsible for the operation of the fuel pump is located next to the relay of the same name in what is referred to as an additional unit in the car interior.
- At high voltage, the safety element, as expected, opens the circuit.
An introductory word about protective elements
Electrical circuits on Priora require protection, the functions of which are performed by fuses. These elements are equipped with fusible inserts. They are designed for a maximum current rating, which is different for each fuse. These protective elements are located in a special block on the left side of the driver, at the bottom of the instrument panel. The fuse for the Priora stove, as well as other protective elements, has a pin shape, inside of which there is a fuse-link. It is this insert that tends to burn out at the moment when the current exceeds the permissible value.
The structure of the electrical wiring diagram contains another protective element: a relay. They are installed on the most powerful current consumers. These include the rear window heating system, heater fan motor, engine cooling fan, and car horn. Such protective parts are also placed in a common block. Priora heater relays are necessary to reduce the current load that is applied to the switch contacts. With such a protection system, contact pairs do not burn out.
In case of malfunctions with the heater, you must also pay attention to the relay
Now that we have found out where the Priora stove fuse is located, we can move on and get acquainted with other aspects of replacing this important element
Troubleshooting electrical circuits
It is not enough to know where the Lada Priora fuses are located. In the event of a malfunction, you need to be able to find the cause of the breakdown, eliminate the malfunction and replace the burnt-out fuse element. To gain access to the fuse box, unscrew the latches holding the cover. Having gained access, you need to check the serviceability of the fuse, and also, if it is blown, find out the cause of the malfunction.
The procedure for detecting a breakdown or break is as follows: one multimeter probe or the lead of a control lamp is attached to the ground of the car. Turn on the ignition and touch the terminal of the wire being tested. If there is no voltage, look at the entry point of the conductor and take measurements at this location. So, step by step, the problem section of the chain is identified. Next, a conclusion is drawn about the cause of the malfunction. Usually this is a lack of contact, a break in the conductor and a breakdown or burnout of the part.
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In the Priora mounting block, where the fuse box is located, there are also relays through which the powerful load is switched. The use of electromagnetic relays is due to the need to protect switch contacts from burning when a powerful load is turned on. Sometimes the cause of the malfunction is sticking relay contacts or a malfunction of the electromagnetic coil itself.
If necessary, a blown fuse can be replaced with a piece of copper wire of the required diameter. However, it should be remembered that this is only a temporary measure, and the factory element should be installed as soon as possible.
