Fuel supply of a diesel engine (Skoda Fabia 5J)

A - Direct fuel injection system relay. diesel engine "J322", on the relay panel; B - Glow plug relay "J52", on the relay panel; C - Low heat output relay "J359", on the relay panel; D - High-output relay "J360", on the relay panel; E - Fuel pump relay "J17" on the relay panel; F - Accelerator pedal position sensor "G79" and accelerator pedal position sensor 2 "G185", in the footwell on the accelerator pedal (both sensors are located in the same housing); G - Brake light switch "F" and brake pedal switch "F47", in the footwell on the brake pedal; H - Clutch pedal switch "F36", in the footwell on the clutch pedal; 1 - Valve block, the components of the valve block are: electromagnetic valve for exhaust gas recirculation "N18", the required resistance value: 14-20 Ohm, electromagnetic valve for limiting the boost pressure "N75", the required resistance value: 25-45 Ohm; 2 - Throttle valve motor in the intake manifold "V157"; 3 - Mechanical valve of the exhaust gas recirculation system, on the intake manifold with a flap in the intake manifold; 4 - Coolant temperature sensor "G62", required resistance value; 5 - Air flow meter "G70"; 6 - Engine control unit "J623"; 7 - Fuel temperature sensor "G81"; 8 - Plug connector, three-pin, gray, engine speed sensor "G28", three-pin, black, camshaft position sensor "G40"; 9 - Engine shaft speed sensor "G28", required resistance value between contacts 1 and 2: 450-550 Ohm; 10 - Camshaft position sensor "G40"; 11 - Intake air pressure sensor "G71" with intake air temperature sensor "G72"; 12 - Fuel filter, (the figure shows the fuel filter used in the 1.4 l/55 kW TDI engine with the letter designation AMF)

1 - Intake gas pipeline; 2 - Inlet manifold, with mechanical EGR valve; 3 - O-ring seal, replace; 4 - 10 Nm; 5 - from the intercooler; 6 - Throttle valve motor in the intake manifold "V157"; 7 - 10 Nm

1 - Inlet hose, to the inlet manifold, observe the correct position for assembly; 2 - Spring clamp; 3 - Upper air filter housing; 4 - 2 Nm; 5 - Filter element of the filter '; 6 - 8 Nm; 7 - Lower air filter housing; 8 - 2 Nm; 9 - Inlet manifold; 10 - Air duct, to the front wall of the body; 11 - Sealing ring; 12 - Air flow meter "G70"; 13 - 6 Nm

A - Relay for direct fuel injection system of diesel engine "J322", on the relay panel; B - Preheating control unit (incandescence) "J179", in the engine compartment near the battery; C - Low heat output relay "J359", on the relay panel; D - High-output relay "J360", on the relay panel; E - Fuel pump relay "J17", on the relay panel; F - Accelerator pedal position sensor "G79" with accelerator pedal position sensor 2 "G185", in the footwell on the accelerator pedal (both sensors are located in the same housing); G - Brake light switch "F" and brake pedal switch "F47", in the footwell on the brake pedal; H - Clutch pedal switch "F36", in the footwell on the clutch pedal; 1 - Solenoid valve for limiting boost pressure "N75"; 2 - Intake manifold flap motor "V157"; 3 - Lambda probe "G39" with heated lambda probe "Z19"; 4 - Temperature sensor before the particulate filter "G448"; 5 - Temperature sensor behind the particulate filter "G527"; 6 - EGR valve "N18" with EGR potentiometer "G212" and EGR regulator "V338"; 7 - Pressure sensor 1 before turbocharger "G235"; 8 - Unit-injector assemblies, unit-injector valve, cylinder "N240", unit-injector valve, cylinder 2 "N241", unit-injector valve, cylinder 3 "N242"; 9 - Coolant temperature sensor "G62"; 10 - Air flow meter "G70"; 11 - Engine control unit "J623"; 12 - Multi-pin plug connector, central for pump-injector units; 13 - Fuel temperature sensor "G81"; 14 - Engine shaft speed sensor "G28"; 15 - Hall sensor "G40", camshaft position; 16 - Exhaust gas pressure sensor 1 "G450"; 17 - Boost pressure sensor "G31" with intake air temperature sensor "G42"

1 - Seal, replace, observe the assembly position; 2 - Intake gas pipeline; 3 - O-ring, replace; 4 - Fitting; 5 - Intake manifold flap motor "V157". After the engine is started, the intake manifold flap closes for approximately 3 seconds and then opens again. This reduces the shock when turning off; 6 - Holder; 7 - From the charge air cooler; 8 - 10 Nm; 9 - EGR valve "N18" with EGR circuit potentiometer "G212" and EGR regulator "V338", before installation, check the sealing surfaces on the intake manifold for contamination and, if necessary, clean them; 10 - Seal, replace; 11 - Radiator, exhaust gas recirculation system; 12 - 22 Nm; 13 - 22 Nm

1 - Air flow meter "G70"; 2 - 2 Nm; 3 - O-ring seal, replace; 4 - Intake hose; 5 - 2 Nm; 6 - Upper air filter housing; 7 - Filter element; 8 - Lower air filter housing; 9 - 10 Nm; 10 - Rubber bushing; 11 - 2 Nm; 12 - Rubber bushing; 13 - Air duct, to the front wall of the body; 14 - Rubber bushing; 15 - Inlet hose to turbocharger, for northern countries - heated; 16 - Spring clamp; 17 - Connecting pipe, from the cylinder head cover, for crankcase ventilation