It is not a sure indicator of faulty spark plugs. Take note that several issues can cause rough engine idling. It can also cause a skipping or slipping sound from the engine. It is characterized by shaking, vibrating, or bouncing sensations throughout the vehicle. Rough engine idling is commonly detected when a vehicle is started. This results in sudden spurts or halted electrical current transmission within the engine. Engine SurgingĮngine surging is when a vehicle suddenly slows or speeds up when the accelerator is kept steady.Ī bad spark plug causes electrical leaks and cracks in the insulation of the ignition lead. Here are the common signs of a faulty spark plug wire to look for: 1. The key to preventing further damage is quickly spotting the signs of a bad spark plug.ĭamaged spark plug wires cause noticeable effects on the engine of the vehicle. Spotting the Signs of Faulty Spark Plug Wires But, like any engine component, it can get worn out due to aging, corrosion, or exposure to extreme temperatures.Īvert further damage to your engine by learning the signs and symptoms of bad plug wires. It is usually made from durable material that lasts millions of uses.
Symptoms of bad spark plug wires how to#
In this article, ill teach you how to find the signs of faulty spark plug wires and how to test them.Ī spark plug is responsible for supplying the spark needed to ignite the engine to life.
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