General information about the fuel injection system The fuel injection system consists of an intake manifold, an air filter, a fuel rail and fuel injectors. In addition, the system should include an adsorber with a purge valve and a crankcase ventilation valve, the...
Operation of the petrol engine injection system Fuel is sucked from the fuel tank by the fuel pump and fed through the fuel filter in the pump to the distribution line (fuel rail). The pressure regulator ensures a constant level of pressure in the fuel system. Fuel...
Fuel injection system — general check For system troubleshooting or troubleshooting, special instrumentation is required. These devices, as a rule, are very expensive and are available only in specialized workshops. For this reason, this chapter only...
Intake manifold — removal Vehicles with ES9ZJ4 engine 1. Disconnect the wire terminal «masses» (-) from the negative pole of the battery. 2. Remove the protective cover 1 of the motor (see illustration). 2.2 Remove the protective cover 1 of the...
Intake Manifold — Installation The intake manifold is installed in the reverse order of removal, taking into account the following: Vehicles with ES9ZJ4 engine 23. Replace the intake manifold gasket. 24. Install the intake manifold with the throttle...
Carburetor — general information The XU102C/K engine has a carburetor fuel injection system. Carburetor (see illustration 3.0) consists of primary, secondary and float chambers. The primary and secondary mixing chambers have their own dampers and jets....
Diesel engine power system — general information XUD11A engines are equipped with Bosch VE49F injection pump or Lucas injection pump, which is controlled by the engine microprocessor. The engine control unit regulates the injection timing and fuel supply, exhaust gas...
Precautions when working on the diesel engine power system When performing any work on the diesel engine power supply system, cleanliness must be observed. 1. Before disconnecting or connecting the power wire to the injection pump or preheater, the ignition must be turned off....
Nozzles — removal and installation Injector failure is manifested in: A) interruptions in ignition; b) knocking in the cylinder or in several cylinders; V) engine overheating; G) reducing the effective power of the engine; d) the appearance of excessive...
High pressure fuel pump — removal, installation and adjustment Attention! The high-pressure fuel pump is not subject to repair or overhaul and, in the event of a malfunction, is replaced as a set with an identical one from the exchange fund of the workshop or with a new one. To...
Intake manifold — removal and installation Vehicles with DK5ATE engine 1. Unscrew the mounting bolts 2 and remove the camera 1 and its seal (see illustration). Bolt tightening torque 10 Nm. 4.1 Unscrew the fastening bolts 2 and remove the chamber 1 and its seal...
Fuel System — General Information and Precautions The fuel system includes the fuel tank, the fuel pump, the fuel supply and return lines, and the fuel filter. The fuel tank holds about 60 liters of fuel. The current fuel supply is indicated to the driver by a dial...
Rules for cleanliness and safety when working with the fuel system When working on the fuel supply system, the following cleanliness and safety precautions must be carefully followed: no open flames or sparks near the workplace! No smoking! The workplace must be equipped with a fire...
Fuel tank — removal and installation Removing 1. Drain the fuel from the tank. If necessary, use a special suction pump. 2. Remove the clamp 1, disconnect the crankcase ventilation hose 2 (see illustration). 2.2 Remove the clamp 1, disconnect the crankcase...
Fuel tank — check 10. After removing the fuel tank, check the hoses and fuel lines connected to it for tightness and connection strength, wear and mechanical damage. Also check the seals on the fuel pump, sensor and shut-off valve, and...
Fuel (fuel priming) pump with fuel gauge sensor — removal 1. Remove the rear seat cushion. 2. Move the protective cover 1 away from the place of work, then remove the trim 2 (see illustration). 3.2 Move the protective cover 1 away from the place of work, then remove the trim 2...
Fuel (priming) pump with fuel gauge sensor — installation 7. Install oil seal 7 (see illustration H.6) to its seat on the fuel tank. 8. Establish the fuel pump together with the gauge of the index of a stock of fuel on its seat. 9. Make sure that the arrow 8 on the pump...
Filler neck — removal and installation 1. Drain the fuel from the tank. If necessary, use a special suction pump. 2. Remove the protective rubber filler cap. 3. Remove clamp 1 (see illustration). 4.3 Remove clamp 1 4. Remove the protective cap 3, then...