Learn
the symptoms of failing ignition coil and Replace the ignition coil yourself.
Ignition coils main
purpose is to ignite the spark plugs. It transforms car battery’s low voltage
to high voltage. This high voltage is needed to ignite the fuel with the help
of spark plugs. Hence, ignition coil sparks the spark plug in order to ignite
the fuel. To relay the voltage to spark plugs, ignition coil takes power from
the generator.
Ignition coil is very
important component of the car’s ignition system. Sometimes there might be a
problem with your car’s ignition coil that is halting the car’s running. It is
wise to always know the issue and symptoms that indicate bad ignition coil as
mechanics may sometimes exaggerate small issues for their benefits.
Before moving further,
let us know what exactly the working of ignition coil is. Their job is to
convert low current 12 V normally found in batteries, to much higher voltage
that is needed to ignite the fuel and start the engine. This job of ignition of
fuel is done through spark plugs.
So basically, ignition
coils have to produce spark in spark plugs of car
for this purpose. These can be connected wirelessly or in wired manner to the
spark plugs. Spark plug needs about 20000 volts of electricity to form a spark.
Bad ignition may result
in bad fuel consumption or engine misfire.
SYMPTOMS
OF BAD IGNITION COIL
If the driver
experiences trouble in smooth ride, it may be the signal of failed ignition
coil. Let us read about some common symptoms of bad ignition coil.
ENGINE
MISFIRING
Worn spark plugs are
one of the most common causes of an engine misfire. Overtime this problem could
worsen and damage other engine components also. It is also unsafe to drive a
vehicle with misfired engine. A loud popping and sneezing noise, bad odor
especially of gas and coolant, black exhaust and loss of power are some of the
symptoms of a misfired engine. Vibrations in the vehicle may also indicate
misfired engine. For safe driving and prolong age of your vehicle, you should
get the ignition coils checked whenever you encounter engine misfire.
BACKFIRING
Backfiring is caused by spark
plug sparking when it isn’t its turn and the exhaust valve is open. When the
unused fuel in the combustion cylinder leaves through exhaust pipes, this
causes the engine to backfire. Foul smell of gas and black exhaust are some of
the signals of backfiring. Delaying the repair may cause troubles for you as
the exhaust system may also get damaged due to backfiring. This may add extra
dollars to your repair cost, so get it fixed as soon as possible.
LOW
FUEL ECONOMY
A lot of unused fuel
turns to exhaust, during engine misfiring or failed ignition coils. Because of
this, vehicle’s mileage will decrease abruptly hence causing low fuel economy.
Ignition coil will fail eventually and spark plugs would no longer ignite the
fuel. Depleted fuel economy will not only eat more gas but also will charge you
a lot of dollars for it. Before your car turns useless metal, get it examined
properly by a professional.
STALLING
OF CAR
Engine fails when the
ignition coils fail to ignite the fuel. With ignition coil failure, irregular
sparks would be emitted to the plugs to keep the vehicle running. This causes
uneven firing of the piston. Your vehicle may stall completely if fuel and air
combination fail to get proper ignition.
STARTING
PROBLEMS OF CAR
Sometime there may be
problems with starting of the car. Even if you turn the key on, car won’t
start. Ignition coils must be checked in this situation because, spark plugs
might not be getting enough spark to ignite the fuel.
You may encounter this
problem generally in winter season. Inspecting the high tension leads can help
in confirming whether the current is being transferred from the leads to every
spark plug or not.
UNSTABLE
DRIVING EXPERIENCE
When starting the
engine if your vehicle coughs or sputters, it means something is wrong with the
ignition coil. At high speed, jerks may be felt and vibrations may be observed
at idle.
REPLACING
THE IGNITION COIL
You can easily replace
a failing ignition coil yourself. You can also get aftermarket auto ignition coils
if needed. So lets have a look at steps to do so.
1. The very first step
is to disconnect the battery.
You can do so by disconnecting negative battery cable.
2. You can use owner’s
manual to locate the ignition coils on the top of the engine.
3. Disconnect and remove the old ignition coil
by disconnecting the screws attaching the coil to the vehicle. You will also
have to remove electrical connections with coil. After disconnecting you can
remove the coil from the vehicle.
4. Install the new
ignition coil. The order of installation will reverse now. You can take owner
manual’s help for this order.
5. After installing the
new ignition coil, reattach the negative terminal to the car’s battery to
resume power supply to the car.
6. You can now test the
installation by starting the engine. If the vehicle starts normally, that means
job is successful.
Parts avatar suggests replacing
the ignition coil in right time to avoid sluggish driving experience and
maximum expenses. This guide may help you enough to diagnose the problem and
even replacing it yourself other than following weird and expensive repair
suggestions by mechanics.
For best deal in aftermarket auto ignition system parts and auto battery parts visit Parts avatar Canada.
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