Gasoline engines 1.8 l (AGN) car Skoda Octavia 1

Another engine that can be installed on Skoda cars of the Octavia series is the 1.8 engine with a power of 92 kW. This is an in-line, gasoline, four-stroke, four-cylinder engine with a gas distribution mechanism 2 x ONS and five valves per cylinder. The location of the engine in the car is front, in front of the front axle with a slope of 15 ° back and 2 ° to the left.

Basic technical data of the engine 1.8–92 kW
Basic technical data of the engine 1.8–92 kW

Engine block (cylinder block) complete
Installing the crankshaft in the engine block 1 - oil pump; 2 – a bolt of fastening of the pump (M = 25 Nm); 3 - pump drive sprocket on the crankshaft; 4 - insert - upper and lower parts of the bearing 1, 2, 4, 5; 5 –...

Crank mechanism — design description
Crankshaft seals, flywheel mounting and oil pump drive with chain tensioner 1 – a bolt of a belt drive of a cranked shaft (M = 90 Nm + 90); 2 - a toothed pulley of a belt drive for driving a distribution mechanism; 3 -...

Connecting rods with pistons assemblies — general information
The connecting rods are made from steel forgings. The top lug is equipped with a bronze bushing. The lower one is collapsible and a three-layer metal insert is inserted into it. The correct relative position of the...

Cylinder head assembly
Cylinder head assembly (mounting reamer) 1 – a bolt of a cover of the bearing of a cam shaft (M=10Nm); 2 - camshaft drive sprocket; 3 - camshaft drive chain; 4 - regulator of the relative position of the cam shafts; 5 -...

Valve timing adjustment
A separate bracket with four fuel jets is bolted to the cylinder head. Four suction tubes are also fixed on the bracket, connected to the cylinder head with rubber fittings. Long profiled tubes with a diameter of 40 mm...

Injection system, ignition, fuel system
Scheme of regulation and control of ignition, fuel, ventilation and gas emission systems of the engine 1.8–92 kW (BOSCH MOTRONIC) 1 - fuel pump relay; 2 - a tank with activated carbon; 3 - solenoid valve; 4 - fuel tank;...

Control unit for ignition and fuel systems
Management of all functions shown in fig. Scheme of regulation and control of ignition, fuel, ventilation and gas emission systems of the engine 1.8–92 kW (BOSCH MOTRONIC)) , carried out by the MOTRONIC M Z.8.2 system...

Load meter
The meter, placed in a parallel branch of the pipeline, determines the mass of air according to the principle of a heating wire and sets, adjusted for temperature, the amount of incoming air. Taking into account the...

Throttle control and idling adjustment
Idle speed adjustment is carried out by the throttle itself. Adjustment is made by the idling actuator (motorized). The precise setting of the throttle valve coordinates is carried out depending on the voltage and...

Nozzles — general information
In an engine with three inlet valves, which necessarily lie in different planes, the shape and position of the injected fuel jet are of particular importance, since they affect both the amount of hydrocarbons in the...

Ignition and knock control
Non-contact ignition is solved by high voltage separation. Two dual ignition coils with an integrated ignition element are connected to the respective output stage in one unit and feed two spark plugs. This is how the...

Tank deaeration — general information
Gasoline vapors formed in the fuel tank are discharged into the activated charcoal tank (volume of activated carbon 1.2 dm 3 ) and from there through the shut-off valve to incineration. Quantity adjustable by filter...

Exhaust gas aftertreatment — design description
Auxiliary parts and engine components 1 - plug of the filler neck; 2 - oil dipstick; 3 - guide pipe of the oil dipstick; 4 - guide tube of the oil dipstick; 5 - connecting tube for deaeration of the engine crankcase; 6...

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Octavia 3 (2013-2019)