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 Engine Oil-Finder

Engine Control


The engine control's task is to co-ordinate the inflow of the fresh air, and the outflow of the exhaust gases in such a way that during the different operational modes certain emission values, fuel consumptions, and torque requirements are met.

How it works

Except for the two-stroke engines, piston-stroke engines make use of valves for the engine control. They are driven by one or more camshaft(s). For passenger cars, the crankshaft drives the camshaft(s) in the cylinder head via the toothed belt, timing chain and spur gears or vertical shaft. For bigger trucks one camshaft is often mounted in the cylinder block and is driven by spur gears or timing chain.

Especially toothed belts, but timing chains also change their length after prolonged operation. Will they re-tightened, then shifts the angular assignment of crankshaft and camshaft. Therefore, the drive wheel of the camshaft is connected with this by a cone. It can therefore be displaced by very small angles after loosening the fastening screw and pulling the cone. Important here is the mark on the flywheel. Very meticulously working mechatronics technicians check this mark with the dial gauge, which hits by the spark plug hole on the piston.


The speed of the crankshaft of the four-stroke engine is double compared to the camshaft.

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