Test the Ignition Coil of your Car With These 4 Steps

1
Test the Ignition Coil of your car with these
4 steps
2
Generally in a car the ignition coil is used to
coverts the 12 volts of battery power to a
thousand volts of power needed to fire the spark
plugs.
3
The ignition coil is reliable and sturdy, but
over time can be damaged due to the heat,
vibrations, and faulty insulation.
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You can test the ignition coil of your car in
two ways such as by testing the spark plugs and
by testing the bench.
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Here the given points help you to test the
ignition coil of your car and need to be replaced
if necessary.
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Take proper precautions
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When you are testing any part of the car,
especially the engine parts you need to extremely
careful.
8
Before starting the testing task, use safety
goggles, wear tight clothes and neatly tied the
hair if you have long.
9
The engine of your car produce electricity, so
take utmost precautions to prevent the unusual or
sudden incidents.
10
Remove the winding/spark plug
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For removing the spark plug, first you need to
remove the wire from the plug and refer your
car's manual to confirm that you remove the right
wires.
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As you are doing the spark plug test for testing
the ignition coil, so use the spark plug socket
for removing the spark plug in your car.
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If you are doing the bench test for testing the
ignition coil, then refer to the service manual
and remove the two windings inside the ignition
coil.
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Check for sparks
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Reattach the plug wires after removing the spark
plug. By using an insulated plier, you can hold
the plug wires.
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Then, let the threaded bare at the end of the
spark plug to touch the grounding surface. At
last start the ignition in the meantime.
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When you turn the key start the ignition, you
will see a bright blue spark at the end of the
spark plug. Otherwise, conduct the bench test to
get the spark.
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Check the windings
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Refer your owner manual for getting the correct
resistance readings which are applicable to your
car and model.
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In most of the car coils, the reading of 0.75 to
0.81 Ohms are the primary winding and reading of
10,000 to 11,000 Ohms refers to the secondary
winding.
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After you test both of them if you find that the
reading is slightly outside indicated in the
owner manual, then replace the ignition coil.
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