The Importance of Distributor in the Car's Ignition System

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The Importance of Distributor in the Car's
Ignition System
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What is a distributor?
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The distributor is found in the ignition system
of an internal combustion engine and it alligns
the high voltage into the correct firing order to
the spark plugs.
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It consists of a rotating arm known as a rotor,
which is inside the distributor cap and on top of
the distributor shaft.
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The rotor contacts the central high voltage cable
from the coil with the help of a spring loaded
carbon brush.
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The rotor arm, then passes close to the output
contacts, which then connect through the high
tension cables to the spark plug of each of the
cylinders.
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What is its importance?
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The distributor cap and rotor are part of the
ignition system, which has to work in concert
with the rest of the engine in order to ignite
the fuel at the proper time.
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Its main purpose is to maximize the output of the
expanding gases in the engine by lighting them so
that they produce heat and the fuel turns to
exhaust.
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The exhaust increases the pressure in the
cylinder and pushes the piston down, creating
maximum pressure possible inside the cylinder,
thereby maximizing torque and power.
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The more efficient the cylinders are, the better
the car's mileage will be and the most vital to
the coil-distributor-cylinder system is timing.
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Since there's a short delay between when the
spark is created and when it ignites the mixture
in the cylinder, the spark has to happen before
the piston reaches the top of its stroke.
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What happens when it malfunctions?
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The distributor may not seem important, but it is
an integral part of the performance of the car's
engine.
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When the cap is faulty, then the ignition
sequence inside your engine will not happen in
the set sequence.
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The common irregularities found in the car when
the distributor malfunctions are
Problem while starting in cold Shakes while
driving Fluctuating RPMs
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Problem while starting in cold
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The distributor cap is more likely to break in
the cold climate as it is covered with a plastic
material which cracks due to the change in
temperature.
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There may be corrosive materials on the inside of
the cap, which would also render it ineffective
and create problems while starting the car.
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Shakes while driving
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The car shakes while driving and while idling the
vibrations are more prominent means that the
rotor inside the distributor is not spinning
properly.
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This leads to improper timing of the distribution
of the firing process.
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Fluctuating RPMs
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A poor connection between the distributor cap and
the wires may result in fluctuations in the
engine's revolutions per minute(RPMs).
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A cap with cracks, signs of burning or corrosion
is often the cause of the problem.
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