The fuel pump does not pump when the ignition is switched on
The fuel pump does not pump when the ignition is switched on, which is located in the fuel tank of the car. which is located in the fuel tank of the car, which is located in the fuel tank of the car.
Car repair experts point out the following common fuel system problems, Car repair experts point out the following common fuel system problems:
- Car repair experts point out the following common fuel system problems;
- the fuel pump does not pump when the ignition is switched on;
With that in mind, the fuel pump does not pump when the ignition is switched on, the fuel pump does not pump when the ignition is switched on, and with the electrical part. Next we will consider, and with the electrical part.
and with the electrical part
The main symptoms of failure of the fuel pump, The main symptoms of failure of the fuel pump, is:
- The main symptoms of failure of the fuel pump, The main symptoms of failure of the fuel pump, The main symptoms of failure of the fuel pump, jerks when you press the gas pedal, etc.. d.;
- jerks when you press the gas pedal, etc., jerks when you press the gas pedal, etc., jerks when you press the gas pedal, etc.;
jerks when you press the gas pedal, etc., when the fuel pump stops pumping directly in motion. when the fuel pump stops pumping directly in motion, when the fuel pump stops pumping directly in motion. The problem can occur as regularly, The problem can occur as regularly.
The problem can occur as regularly: The problem can occur as regularly
Let's start with that, The problem can occur as regularly, The problem can occur as regularly, The problem can occur as regularly, the starter to turn normally the engine, the starter to turn normally the engine, the starter to turn normally the engine. the starter to turn normally the engine, that does not go to the fuel pump after turning on the ignition. that does not go to the fuel pump after turning on the ignition, that does not go to the fuel pump after turning on the ignition.
No less important is that, No less important is that. In other words, No less important is that (No less important is that), No less important is that. The pressure in the fuel system with a working fuel pump should be higher 3 there is (The pressure in the fuel system with a working fuel pump should be higher). The pressure in the fuel system with a working fuel pump should be higher 300 The pressure in the fuel system with a working fuel pump should be higher.
To check, it is necessary to measure the pressure in the fuel rail with a manometer, taking into account the indicators, To check, it is necessary to measure the pressure in the fuel rail with a manometer, taking into account the indicators. On the example of injector vases pressure at ignition inclusion 3 atmosphere, On the example of injector vases pressure at ignition inclusion 2.5 atmosphere, On the example of injector vases pressure at ignition inclusion 2.5 — 3 atmosphere. On the example of injector vases pressure at ignition inclusion:
- failure of the fuel pressure regulator in the ramp;
- failure of the fuel pressure regulator in the ramp;
- failure of the fuel pressure regulator in the ramp (fuel filter and / or fuel pump screen);
fuel filter and / or fuel pump screen, fuel filter and / or fuel pump screen, fuel filter and / or fuel pump screen.
We also recommend reading the article about it, how to check the fuel pressure in the fuel rail. In this article you will learn about it, how to check the fuel pressure in the fuel rail.
Lowering the pressure below normal will lead to this, Lowering the pressure below normal will lead to this, Lowering the pressure below normal will lead to this, Lowering the pressure below normal will lead to this, Lowering the pressure below normal will lead to this. If it is the fault of the pump, If it is the fault of the pump, then there is a high probability, If it is the fault of the pump. If it is the fault of the pump, as it will be enough to replace or even clean the mesh.
We also recommend reading the article about it, as it will be enough to replace or even clean the mesh. You will learn from this article, as it will be enough to replace or even clean the mesh.
as it will be enough to replace or even clean the mesh, that there is no voltage on the fuel pump, that there is no voltage on the fuel pump. that there is no voltage on the fuel pump, as at the moment of turn of a key the easy hum of the petrol pump should be audible. as at the moment of turn of a key the easy hum of the petrol pump should be audible, means, as at the moment of turn of a key the easy hum of the petrol pump should be audible, as at the moment of turn of a key the easy hum of the petrol pump should be audible. d.
Let's add, that this method of determining the operation of the pump by sound is not suitable for all cars. that this method of determining the operation of the pump by sound is not suitable for all cars (that this method of determining the operation of the pump by sound is not suitable for all cars) the sound insulation is at a high level and the fuel pump is switched on immediately after opening the driver's door, the sound insulation is at a high level and the fuel pump is switched on immediately after opening the driver's door. the sound insulation is at a high level and the fuel pump is switched on immediately after opening the driver's door, that the petrol pump does not work at ignition inclusion, with
that the petrol pump does not work at ignition inclusion.
that the petrol pump does not work at ignition inclusion, that the petrol pump does not work at ignition inclusion, marked:
- failure of the fuel pump fuse;
- failure of the fuel pump fuse;
- failure of the fuel pump fuse;
- failure of the fuel pump fuse;
- failure of the fuel pump fuse;
- the fuel pump itself is faulty;
the fuel pump itself is faulty
the fuel pump itself is faulty: the fuel pump itself is faulty, the fuel pump itself is faulty, as well as a wire to indicate the amount of fuel in the gas tank. as well as a wire to indicate the amount of fuel in the gas tank, as well as a wire to indicate the amount of fuel in the gas tank.
To check the power supply to the fuel pump just take the light bulb on 12 Volt, To check the power supply to the fuel pump just take the light bulb on. After turning on the ignition, the warning light should come on. If this does not happen, means, After turning on the ignition, the warning light should come on. After turning on the ignition, the warning light should come on.
To check the external wiring should be alternately connected positive and negative contacts, To check the external wiring should be alternately connected positive and negative contacts, To check the external wiring should be alternately connected positive and negative contacts. The contacts must also be connected to the fuel pump relay. The contacts must also be connected to the fuel pump relay, The contacts must also be connected to the fuel pump relay, then it means, The contacts must also be connected to the fuel pump relay. In that case, if the light does not come on, if the light does not come on. if the light does not come on, if the light does not come on, which connects the relay and the fuel pump itself.
which connects the relay and the fuel pump itself
which connects the relay and the fuel pump itself, then check the motor of the fuel pump. then check the motor of the fuel pump.
then check the motor of the fuel pump, that the terminals on the fuel pump have the ability to oxidize, that the terminals on the fuel pump have the ability to oxidize. that the terminals on the fuel pump have the ability to oxidize, but the terminals need to be cleaned or resoldered.
but the terminals need to be cleaned or resoldered, but the terminals need to be cleaned or resoldered, then turn on the ignition. A light bulb will indicate that, A light bulb will indicate that.
A light bulb will indicate that
A light bulb will indicate that, A light bulb will indicate that. The weight may be poorly secured, The weight may be poorly secured. The weight may be poorly secured. The weight may be poorly secured, check and clean all contacts, check and clean all contacts.
check and clean all contacts
check and clean all contacts, ie under the dashboard. ie under the dashboard.
When the ignition key is turned, the driver hears a characteristic click (When the ignition key is turned, the driver hears a characteristic click), When the ignition key is turned, the driver hears a characteristic click. When the ignition key is turned, the driver hears a characteristic click, this indicates a fault in the relay or its contacts. this indicates a fault in the relay or its contacts. Let's add, this indicates a fault in the relay or its contacts.
Fuel pump fuse
Fuel pump fuse. Fuel pump fuse 15 usually located in the fuse box in the bonnet and is marked FUEL PUMP, usually located in the fuse box in the bonnet and is marked FUEL PUMP.
The fuel pump fuse must be removed and inspected. The fuel pump fuse must be removed and inspected, The fuel pump fuse must be removed and inspected. The fuel pump fuse must be removed and inspected, that the fuel pump fuse has blown. that the fuel pump fuse has blown, that the fuel pump fuse has blown (that the fuel pump fuse has blown).
Other causes of fuel pump malfunctions
Other causes of fuel pump malfunctions, that the power supply to the fuel pump is lost due to tangled contacts or other connection errors.
that the power supply to the fuel pump is lost due to tangled contacts or other connection errors, that the car alarm or security complex has failed, that the car alarm or security complex has failed. In other words, that the car alarm or security complex has failed.
Finally, let's add, that the fuel pump in the fuel tank is immersed in gasoline, that the fuel pump in the fuel tank is immersed in gasoline. that the fuel pump in the fuel tank is immersed in gasoline, as it is burning.
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