Symptoms of Bad Spark Plug Wires
Jun 22 , 2022

Are you suffering from engine stuttering even after you have changed the ignition coils and spark plugs? Try new spark plug wires to see how it goes. You will get surprised sometimes. Before changing it, you will never know how important such a plain wire is to enhance your experience behind the wheel.

Engine stutter or Rough idle is one of the common symptoms of bad spark plug wires. Apart from that, you can also spot the faulty ignition wires from the following symptoms.

Engine Hesitation

As time goes by spark plug wire will be weak in electrical power conduction. the poor energy transfers from ignition coil or distributor to spark plug will lead to engine hesitation. This is also a common symptom of bad spark plug wires.


Some ignition wires fail in firing the spark plugs or consistent ignition due to poor quality. In this case, your car is likely to stop during the drive or in the middle of acceleration.

Poor Fuel Economy

When a plug wire wears out, it will cause incomplete combustion and increase your gasoline consumption. Sometimes there can be pungent smell for exhaust or carbon deposit at the exhaust pipe inlet.

Like other auto parts on your car, spark plug wires need to be checked and replaced regularly. If you want to keep the optimal performance of your ride, you are suggested to replace the plug wires every 30,000 miles, or every 3-5 years. Four E’s Automotive has a lot of aftermarket offerings available to meet your engine requirements.

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