Understanding the Importance of General Engine Components
An internal combustion engine has an ignition system which would depend on the type of engine and fuel used of the unit. A precisely timed spark would ignite petrol engines, while it is through compression heating that would ignite diesel engines.
With a controlled and precise of a mixture of an electric spark from a spark plug, the mixture would create an ignition in a spark ignition engine. This type of ignition is applicable to almost all gasoline engines, while the timing of diesel engines is controlled precisely by the pressure pump and injector. 
Ignition happens when the temperature of the fuel/air mixture is taken over by the autoignition temperature because there is heat generated during the compression stroke of which air is compressed. Be informed that diesels are the vast majority of compression ignition, of which there is mix of air and fuel once the air has reached the temperature of ignition. 

As there is a large area present of fuel to the oxygen in air, fuels would burn faster and more efficiently. To create a fuel air mixture, liquid fuels must be atomized and this is traditionally done with a carburetor in petrol engines and with fuel injection in diesel engines. Fuel injection is also used by many modern petrol engines today although there is difference in the technology. 

In order to supply fuel into the cylinder, the use of carburetor is used in simpler reciprocating engines. In terms of cost and flexibility, carburetor technology lost to fuel injection in the mid 1980s, although it has reached a top level of precision and sophistication. Small engines though still remain to use the simple forms of carburetor, like lawn mowers and the more sophisticated forms of engines used in small motorcycles. 

Vehicles that use gasoline of larger size have mostly moved to using fuel injection systems. In the case of diesel engines, the use of fuel injection system has been done since the timing of the injection would start and control the combustion. 
Where autogas engines is concern, it uses the system of fuel injection or the open or closed loop carburetors. Learn about full tilt performance.

A fuel pump is what most internal combustion engines require. In order for the combustion chamber to be overcome, in the case of diesel engines, an all mechanical precision pump system is used and this would produce a timed injection directly into the chamber for combustion. Get the best turbo caterpillar here.  
In the case of a four stroke engine, there are key parts that form the parts of the engine, and these are the crankshaft, connecting rod, one or more camshafts, and valves.