The Complete Guide to Ignition Coil Malfunctions

The ignition coil is a critical component of your car's ignition system. It is responsible for converting the low voltage from the battery into the high voltage needed to ignite the fuel and air mixture in the engine's cylinders. When the ignition coil malfunctions, it can cause a range of problems, from misfires and rough idling to engine stalling and reduced fuel efficiency.

Coil package picture taken from the website buycarparts.co.uk

Common Ignition Coil Malfunctions

These parts can fail for a variety of reasons, including age, heat, vibration, and moisture. Here are some common signs of a failing part:

• Engine Misfires and Rough Idling: If the mechanism is not generating enough voltage, it can cause misfires and rough idling, especially when the engine is cold or under load.
• Engine Stalling: A failing ignition coil can cause the engine to stall or hesitate when accelerating or at idle.
• Reduced Fuel Efficiency: When the part is not functioning properly, it can cause the engine to consume more fuel than necessary, resulting in reduced fuel efficiency.

Choosing the Right Ignition Coil

When it comes to choosing the right part for your car, there are several factors to consider. These include the make and model of your car, the type of ignition system, and the quality and durability of the coil. Here are some tips for choosing the right one:

Consult Your Car's Owner's Manual

It will provide information on the type of ignition system and the recommended parts for your car. Make sure to carefully read the instructions to learn which parts are best suited for your vehicle.

Consider the Brand and Quality

Select a reputable brand and look for parts that are made from high-quality materials. The brand you go for should have a reputation for durability and performance.

Check the Voltage and Resistance

These specifications should match those of your car's ignition system. Check your car's owner's manual for these specifications.

Changing the Ignition Coil

Changing it is a relatively simple process that can be done with basic tools. Here are the steps:

1. Disconnect the Battery: Before starting, disconnect the negative terminal of the battery to avoid any electrical shocks.
2. Find the Ignition Coil: It is usually located near the engine block and connected to the spark plugs with wires.
3. Remove the Old Coil: Use a socket wrench to remove the bolts holding the part in place and then carefully remove it from the engine.
4. Install the New Coil: Install the new ignition coil in the same location as the old one and secure it with the bolts.
5. Reconnect the Battery: Reconnect the negative terminal of the battery, and start the engine to test the new part.

Conclusion

The ignition coil is a crucial component of your car and malfunctions can cause a range of problems. Changing the part is a simple process that can be done with basic tools, but if you are not comfortable doing it yourself, seek the assistance of a professional mechanic.