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Auto parts section for Fuel supply system

Fuel supply system car spares for Top Car brand
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Fuel supply system car parts - all important information about operating method, mounting, diagnostics and service life

Fuel mixture preparation system mixes fuel and air in the correct proportions. This ensures the required level of fuel mixture in the combustion chambers. Proportion preciseness is a compulsory condition of the correct operation of the engine.

Types of fuel mixture preparation systems

They depend directly on the fuel supply system. For example, in carburetor system the fuel mixture is prepared in carburetor, and after that the combustible mixture is supplied to the engine cylinders. In the injector system the mixture formation takes place directly in the combustion chambers. It is remarkable that in the injection system a separate nozzle delivers fuel for each cylinder. The system of mono injection is characterized by only one supply nozzle.

Construction of the injector system of the fuel mixture preparation:
  • electric fuel pump;
  • inlet line;
  • drain pipe;
  • fuel pressure regulator;
  • nozzles;
  • intake manifold;
  • intake valves;
  • throttle;
  • air cleaner;
  • air consumption measuring device.
Operation Tips
  1. Use a high-quality fuel with a high octane number.
  2. Periodically check the pressure of the fuel pump. The pressure of serviceable pump should stay within 280-330 kPa.
  3. Inspect the system on the absence of infringement of tightness.
  4. After a mileage of 10 000 km it is necessary to check the filters, oil seals and gaskets.
  5. Pay attention to the proportions of the fuel mixture with the help of lambda probe. The ideal mixture includes 1 kg of fuel and 14.8 kg of air - at this ratio the value of lambda is 1. The mixture is considered to be admissible with the lambda value from 0.7 (lean mixture) to 1.25 (rich mixture).
Fuel preparation system failure
  • blockage or mechanical damage of the pipeline;
  • no or insufficient pressure during fuel or air supply;
  • worn-out condition of carburetor or injector parts;
  • jets do not operate properly;
  • violation of the proportions of fuel mixture preparation;
  • untimely supply of the fuel mixture to the cylinders.
Signs of fuel preparation system failure
  • increased exhaust gases smoke;
  • interruptions in the engine operation (especially at idle);
  • reduction of the maximum power of the engine;
  • increased fuel consumption;
  • Indication of the fuel mixture adjustment sensors.
Causes of fuel preparation system failure
  • use of low- quality fuel;
  • blockage or damage of the pipeline
  • depressurization of the system;
  • malfunction of the electronic control system of the fuel supply;
  • violation of the terms, requirements and recommendations of the manufacturer of components;
  • control sensors indication failure.
Repair and replacement of fuel preparation system

Repair of fuel preparation system is rather laborious task that requires high level of skills, as well as the availability of special tools. It should be noted that the formation of the proper mixture of fuel and air is one of the main factors of the normal operation of the engine, that is why the repair of the system is better to be carried out by professionals.

System failures can be found out with the help of computer diagnostic. General examination includes variety of activities. For example, they include controlling of operation and pressure of the pump, functioning of jets, adsorber, analysis of the system's sensors (indication of throttle position, knock, coolant, speed, phase).

Advantages of cooperation with us

On our site you can find fuel mixture preparation system for cars of all brands. With the help of convenient catalogue you can quickly find the necessary spare parts and place your order. All products are provided with guarantee. Having arranged the delivery, you get the purchased items in the shortest time possible. If you want to clarify something, our support service team will always help you. Save your time and efforts - order cheap spare parts on our site right now!

Top 10 of best sellers from the Fuel supply system section
Recommended spare parts from the Fuel supply system section. These are the sales hits. Buy our best sellling items or discover a vast selection of other attractive offers.
-21%
Lambda Sensor 0 258 017 025 buy 24/7!
BOSCH Lambda Sensor
Article number: 0 258 017 025
£ 90,65
incl. 20% VAT, Delivery
  • Overall Length [mm]: 1000
  • Conductor Number: 5
  • Recommended replace interval [km]: 250000
  • BOSCHLambda Sensor
  • Item number0 258 017 025
  • Manufacturer's suggested retail price£ 114,75
  • Our price £ 90,65
  • Condition  New
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Lambda Sensor DOX-0109 buy 24/7!
DENSO Lambda Sensor
Article number: DOX-0109
£ 35,10
incl. 20% VAT, Delivery
  • Thread Size: M18x1.5
  • Cable Length [mm]: 750
  • Number of Poles: 4
  • Product line: Universal fit
  • Quality: OE
  • Weight [g]: 103
  • DENSOLambda Sensor
  • Item numberDOX-0109
  • Manufacturer's suggested retail price£ 44,43
  • Our price £ 35,10
  • Condition  New
Details
-21%
Injector Nozzle A2C59511612 buy 24/7!
VDO Injector Nozzle
Article number: A2C59511612
£ 279,05
incl. 20% VAT, Delivery
  • Fuel Type: Diesel
  • Part number of recommended accessories: X11-800-002-004Z
  • Observe the vehicle manufacturer specifications
  • VDOInjector Nozzle
  • Item numberA2C59511612
  • Manufacturer's suggested retail price£ 353,23
  • Our price £ 279,05
  • Condition  New
Details
-21%
Injector 0 280 155 968 buy 24/7!
BOSCH Injector
Article number: 0 280 155 968
£ 46,78
incl. 20% VAT, Delivery
  • Fuel Mixture Formation: Petrol Injection
  • Static flow rate at 3 bar, medium N-Heptane [g / min]: 310
  • Resistance [Ohm]: 12
  • BOSCHInjector
  • Item number0 280 155 968
  • Manufacturer's suggested retail price£ 59,21
  • Our price £ 46,78
  • Condition  New
Details
-21%
Fuel filter WK 842 buy 24/7!
MANN-FILTER Fuel filter
Article number: WK 842
£ 9,02
incl. 20% VAT, Delivery
  • Height [mm]: 156
  • Diameter [mm]: 81
  • Outer diameter 2 [mm]: 70
  • Thread Size Exit: M 16 X 1.5
  • Inner diameter 2 [mm]: 61
  • MANN-FILTERFuel filter
  • Item numberWK 842
  • Manufacturer's suggested retail price£ 11,42
  • Our price £ 9,02
  • Condition  New
Details
-21%
Lambda Sensor 0 258 006 924 buy 24/7!
BOSCH Lambda Sensor
Article number: 0 258 006 924
£ 74,84
incl. 20% VAT, Delivery
  • Overall Length [mm]: 325
  • Conductor Number: 4
  • Recommended replace interval [km]: 250000
  • BOSCHLambda Sensor
  • Item number0 258 006 924
  • Manufacturer's suggested retail price£ 94,73
  • Our price £ 74,84
  • Condition  New
Details
-21%
Nozzle and Holder Assembly 28237259 buy 24/7!
DELPHI Nozzle and Holder Assembly
Article number: 28237259
£ 276,45
incl. 20% VAT, Delivery
  • DELPHINozzle and Holder Assembly
  • Item number28237259
  • Manufacturer's suggested retail price£ 349,94
  • Our price £ 276,45
  • Condition  New
Details
-21%
Sealing Cap, fuel tank 45550 buy 24/7!
FEBI BILSTEIN Sealing Cap, fuel tank
Article number: 45550
£ 11,29
incl. 20% VAT, Delivery
  • Material: Plastic
  • Colour: Black
  • Weight [kg]: 0,06
  • Quantity: 1
  • FEBI BILSTEINSealing Cap, fuel tank
  • Item number45550
  • Manufacturer's suggested retail price£ 14,29
  • Our price £ 11,29
  • Condition  New
Details
-21%
Injector Nozzle 5WS40148-Z buy 24/7!
VDO Injector Nozzle
Article number: 5WS40148-Z
£ 261,36
incl. 20% VAT, Delivery
  • Fuel Type: Diesel
  • Part number of recommended accessories: X11-800-002-004Z
  • Observe the vehicle manufacturer specifications
  • VDOInjector Nozzle
  • Item number5WS40148-Z
  • Manufacturer's suggested retail price£ 330,83
  • Our price £ 261,36
  • Condition  New
Details
-21%
Lambda Sensor DOX-0261 buy 24/7!
DENSO Lambda Sensor
Article number: DOX-0261
£ 94,44
incl. 20% VAT, Delivery
  • Thread Size: M18x1.5
  • Cable Length [mm]: 510
  • Number of Poles: 4
  • Product line: Direct Fit
  • Quality: OE
  • Weight [g]: 100
  • Manufacturer Restriction: DENSO
  • DENSOLambda Sensor
  • Item numberDOX-0261
  • Manufacturer's suggested retail price£ 119,54
  • Our price £ 94,44
  • Condition  New
Details
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