Ignition coils operate in a very similar fashion to a transformer; with a 12-volt power source that produces output current simultaneously to an input current that’s being applied. By creating an efficient magnetic field, the force of the electricity is multiplied from the battery source – thus allowing your engine to ignite quickly. Different engines have specific ignition system specs geared towards optimizing engine performance while keeping fuel economy top of mind. With long-term usage, stock ignition coils will require replacement; and you can get the efficiency of your system back by immediately fixing your ignition coil at the first sign of failure.

Ignition coils are critical to the working of your vehicle, quickly converting the very low energy of a battery into the thousands of volts of energy required to produce ignition in your car. Without this critical piece of equipment, you would be required to push your car in order to get it to ignite. Fuel efficiency and overall engine performance are compromised when you continue using an ignition coil that has gone bad, so replace them at the first sign of a problem.

Here are some tips to ensure that you have the best long lasting ignition coils:

  • Invest in a premium quality ignition coil to ensure quick ignition: this is the best solution to high-quality engine performance.

  • A heavy-duty ignition coil provides miles and miles of extra service and a much longer and more efficient lifecycle.

  • You can purchase street or strip ignition coils that work best for race cars and are rated up to 55,000 volts, providing significantly better performance than stock ignition coils. They offer better throttle response, improved gas mileage and quicker and easier starts.

Know the details about your vehicle’s distributor, as this may limit your choices at the parts store.

YourMechanic supplies top-quality ignition coils to our certified mobile technicians. We can also install a ignition coil that you've purchased. Click here to get a quote and more information on ignition coil replacement.

This article originally appeared on YourMechanic.com as How to Buy a Good Quality Ignition Coil and was authored by Valerie Johnston.


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