6 Ignition Coil Problems Symptoms You shall Check Your 2011-2017 Hyundai Elantra

Posted by Candy Lai on

2017 Hyundai Elantra has Common Ignition Coil Problems

Regular & periodical car maintenance checking definitely the best way to better car performance and longer car life. In which engine oil, filters, and ignition coils are most often parts you shall check them out.

But how often do ignition coils need to be replaced?
What are bad ignition coil symptoms?
Can vehicle still run with a problem ignition coil?  
 
Some car makers recommend to replace ignition coil interval 100,000 miles.
Some coils may fail at around 5,000 and some never need to be fixed lifetime.
Take 2017 hyundai elantra as example, quite a few car owners has common issue to fix problem ignition at around 10,000 to 50,000 miles.
 

6 Bad Ignition Coil Symptoms You should Pay Attention
Ignition Coils (Bobina de Encendido) are crucial engine management component to deliver high-voltage electricity to the spark plugs. With it work properly we can start the engine. Basically Ignition Coil is stable with long lifetime but still can be failed due to variety reasons. (What causes a bad ignition coil? How to longer ignition coil pack lifetime?)

When ignition coil goes bad, below symptoms will start to show up on vehicles.
#1  Engine Misfiring
Bad ignition coil made engine sounds like coughing when start it. Obvious vibration appears when it is idling and you'll feel jerking and spitting when driving at high speeds. 
 
#2 Check Engine Light On
If you have diagnostic tool connecting to OBD, the codes below will reveal you the details,
     P0301: Cylinder 1 Misfire Detected
(CHANGING IGNITION COILS TO FIX MISFIRE PROBLEM WITH CODE P0301)
     
     P0302: Cylinder 2 Misfire Detected
     P0308: Cylinder 8 Misfire Detected
                  P0302 obd error code hjlautoparts ignition coil checking
#3 Vehicle Stalling
Ignition coil failure may send irregular sparks to the plugs and cause car stalling. When situation goes worse, the car even can't start.
 
#4 Hard to Start Engine
A malfunction coil will cause engine only crank without sparks inside the cylinder. This symptom especially obviously when your car equipped with single coil.
 
#5 Poor Gas Mileage Performance: The gas mileage will begin to reduce when coils go bad.
 
#6 Increased Emission
     Less mileage will be when ignition coils go wrong and the amount of unburned fuel getting into catalytic converter will cause the emission increase.  
     
With the above circumstance, it is not fun to drive it at all.
The earlier you fix the bad ignition coil problem, the less you will need to spend on repairing.

Read More:
<When to replace Ignition Coil and how much does it cost>

<Ignition Coil Symptoms of Saab 9-3 Bad Coil Packs & Tips to Find Out Broken One>

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