Bad Spark Plug Wires Symptoms

How To Test Spark Plug Wires. reader question. hey austin! I have a quick question, I wanted to know what is the best way to test for bad spark plug wires?

Rough running, hard to start, hesitation on acceleration and a raw gas odor at the tailpipe. Symptoms tend to get worse in wet weather. Sometimes you can actually hear (a ticking noise that changes frequency with RPMs.) and see the spark jumping off the offending wire to the most available ground.

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Misfire Diagnosis on Cars with Spark Plug Wires Signs of a Bad Spark Plug. If you aren’t very well-versed with the engine of a vehicle, snap the hood and look in for broad wires, positioned in a row along one side of the engine. These are the spark plug wires and the plugs are located at the ends of these wires.

Engine Surging. Engine surging is a common symptom of bad spark plug wires, especially if the wires have cracks or breaks in their outside insulation, a condition that can create significant electrical resistance and lead to abnormal or completely stopped electrical flow to a vehicle’s spark plugs.

Signs Of Engine Problems Inspect and replace your engine air filter. Just unscrew or unclip the air filter … they’ll rust and then you’ll have a much bigger problem on your hands. The actual
Average Car Mileage Life Consumer Reports (www.consumerreports.org/) says the average life expectancy of a new vehicle these days is around 8 years or 150,000 miles. Of course, some well-built vehicles can go 15 years
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The most common symptom of bad spark plug wires is a rough engine idle. spark plug wires are responsible for transmitting the electrical current from a vehicle’s electrical system to the engine spark plugs, where the electrical current is used to ignite the engine air/fuel mixture. Bad spark plugs wires can inhibit the normal flow of electrical current that reaches a vehicle’s spark plugs, which can cause a …

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