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Checking Your Toyota Ignition Coil

Update:13-12-2021
Summary:

Toyota Ignition Coil is used to provide power for start […]

Toyota Ignition Coil is used to provide power for starting the vehicle. If you experience an inoperable vehicle there is a high possibility that your Toyota Ignition Coil has failed. When your coil is functioning properly, there won't be any sputtering or failure while driving. In most cases, the ignition coil is located near the battery inside the engine bay. High voltage, heat and vibration are the common causes of ignition coil failure.

When it fails, you can check the components to see if they need to be replaced. First, locate the spark plug in the engine block, then look behind the vehicle's radiator oem tube, to locate the ignition coil. This coil holds the metallic charge that feeds the starter when the vehicle is started. The coil often gets charged when the engine is cold and may get hot during startup.

As time goes by, the size of the coils get even tinier. If you notice that the plugs have been cleaned more than normal and the metal is tarnished from the primer, it means that the coils are wearing off. If it happens slowly over several months, replacing just one of the coils should correct the problem. However, if it happens more and you notice a gradual loss of power from the car, replacement of all the coils is necessary.

The first thing you need to do is to disconnect the battery and heater hoses to avoid getting moisture into the ignition system. After doing this, you need to locate where the ignition switch is located under your vehicle. Look closely at the 2 metallic terminals to see if the coil is properly connected. If not, make sure you replace the coil.

You should also check to see if the spark plug is damaged. To do this, open the hood of your vehicle. You should be able to see the hole where the spark plug goes through the metal frame. There will be some metal shavings and dents in the area. If you see any of these, your vehicle's spark plug is defective and needs to be replaced.

Finally, to check if the ignition coil itself is still in good condition, unbolt it from its mounting bracket. Remove the two screws that mount the ignition coil to the mounting bracket. Check the wires for continuity as well as the terminal connections to make sure they are in good shape.

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