Ignition coils are key components of an engine’s combustion process. As you drive, each ignition coil transforms the battery’s relatively low electrical current into bursts of extremely high voltage for the spark plugs. When an ignition coil begins to malfunction, you’ll notice the following problems with your car. It’s best to have a faulty ignition coil quickly cleaned or replaced at your local Hyundai dealer.
Faulty Ignition Coil? Visit Your Hyundai Dealer Today
Misfiring Cylinders
Without the steady supply of electrical power an ignition coil provides, the corresponding spark plug will start misfiring. This causes sputtering sounds and can also make the engine jolt and shudder. The RPMs in your dashboard gauge will also become erratic.
Diminished Acceleration
When at least one cylinder starts misfiring, your engine is no longer functioning properly. You’ll soon notice a loss in accelerative power, especially when you need to speed up while coming out of a bend in the road or overtaking another vehicle.
Dropping Fuel Efficiency
With a failing ignition coil and a misfiring spark plug, your engine won’t be burning fuel as efficiently. You’ll soon find yourself needing to refill your tank more frequently.
Hard Starts
Starting your car requires strong and reliable sparking inside the combustion chambers, especially on cold winter mornings. If one of your ignition coils is failing to deliver that voltage, your engine may struggle to start.
Sudden Stalling
An insufficient supply of electricity also makes it harder for engines to keep going in idle. With a faulty coil, you may find your car stalling when you pause at traffic lights.
Backfiring
When a spark plug begins to misfire, the fuel being injected into the combustion chamber may begin to build up. This excess of unburned fuel can then all ignite at once outside of the cylinder’s ordinary ignition rhythm. If the fuel ignites just as the cylinder is opening, you’ll hear a loud bang from below.
Sometimes, unburned fuel can start to leak back through the exhaust system, where it’s at risk of igniting inside the catalytic converter. If this happens, you’ll also hear a bang, and you’ll need to buy a new cat.
Black Exhaust Smoke
When fuel leaks back through the exhaust, it may eventually emerge from the tailpipe in the form of black smoke. If you ever notice smoke in your exhaust fumes behind you, one of your ignition coils may be the culprit.
Check Engine Light
The various engine problems caused by a faulty coil will be detected by the computerized sensors in your car. As a result, the check engine light will soon come alive on your dashboard.
Have your ignition coils checked, cleaned, or replaced today at Crain Hyundai of Fayetteville. We’re the region’s number-one most trusted dealership for Hyundai vehicles.
Connect with us
Recent Blog Entries
- Hyundai Offers Glimpse of Upcoming Ioniq Electric SUV
- Celebrate Success: Top Hyundai Picks for New Graduates
- Top 5 Hyundai SUVs for Moms this Mother’s Day
- Count on Crain Hyundai for Top-Notch Service & Maintenance in Fayetteville
- Navigate Spring Storms in Fayetteville Thanks to Hyudnai’s Safety Features