Ignition Coil: What It Is and When to See a Mechanic
Your car’s ignition coil plays a key role in starting your engine and keeping it running smoothly. Since it transforms battery power into high-voltage energy, the ignition coil allows your spark plugs to ignite fuel and air inside the engine. But if the coil begins to fail, you may notice misfires, hard starts, or poor fuel efficiency. Whether you’re driving around Happy Valley or heading out to the animation festival, a healthy ignition coil ensures strong engine performance and smooth driving.
At Meineke in Happy Valley, our ASE-certified mechanics offer diagnostics, coil replacements, and full ignition system care. So, in this post, the experts at Meineke explain what the ignition coil does, how it works, and when to see a mechanic.
So, What Is the Ignition Coil and How Does It Work?
The ignition coil converts the 12 volts from your battery into the thousands of volts needed to create a spark. That spark ignites the fuel in each cylinder, allowing your car to start and run. Since most modern engines have one coil per cylinder, a bad coil can cause a noticeable drop in power and performance.
So, How Do You Maintain the Ignition Coil?
Keeping the ignition coil in good shape helps avoid starting issues and engine damage.
- Replace Spark Plugs on Time – If spark plugs are worn, they can strain the coil and cause failure.
- Inspect for Moisture or Oil Leaks – If coils get wet or dirty, they may short out or misfire.
- Have the Ignition System Checked Annually – Regular inspections catch issues before they worsen.
- Use Quality Parts – If replacements are needed, quality coils ensure longer-lasting performance.
When to See a Mechanic for Coil Issues
Since a bad coil affects engine performance, early service prevents breakdowns. Visit Meineke in Happy Valley if you notice:
- Engine Misfires or Stalling – If your engine sputters, then the coil may not be firing correctly.
- Poor Fuel Economy – If you’re burning more gas, a weak coil may be reducing combustion efficiency.
- Check Engine Light Is On – If this light appears, an ignition system issue may be the cause.
- Hard Starts or Rough Idling – If starting takes longer or the engine idles roughly, the coil may be wearing out.

So, Call Meineke Today for a Quick Ignition Check-Up
Since your ignition coil is vital for smooth engine performance, keeping it in top shape prevents costly repairs and power loss. But if you notice misfires, rough idling, or starting issues, Meineke on Southeast 82nd Avenue in Happy Valley is here to help. Whether you need a quick diagnostic, coil replacement, or full ignition service, our ASE-certified mechanics will get your car running strong. So, don’t wait for your engine to stall—Call Meineke today for a quick check-up.
If the Meineke in Happy Valley is not a convenient auto repair center for you, Meineke also has 4 car repair centers in Oregon:
Meineke Car Care – SE 82nd Ave.
3635 SE 82nd Ave
Portland, OR 97266
Call (503) 254-6539
Meineke Car Care – N. Lombard Street
206 North Lombard Street
Portland, OR 97217
Call (503) 283-9170
Meineke Car Care – SE 82nd Ave.
10717 Southeast 82nd Avenue
Happy Valley, OR 97086
Call (503) 652-9061
Meineke Car Care – S. Molalla Ave.
19368 South Molalla Avenue
Oregon City, OR 97045
Call (503) 656-2333
Meineke Car Care in Happy Valley, OR
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