Do you Need New Spark Plugs? Here Are 6 Signs to Look for.

Spark plugs are among the smallest parts in your vehicle, but they perform a very important function. When you have a bad spark plug or one that isn’t working as it should, you will start to notice some issues. Your engine may not run well or it may struggle to fire up at all. As part of regular vehicle maintenance, the spark plugs should be tested and inspected regularly. Then, they should be replaced as needed to ensure proper performance.

That’s why Simard Automotive gives you this list of 6 common signs of spark plug failure:

1. Rough Idling

If the engine is idling roughly with unpleasant sounds or vibrations, it could be a sign that it is not firing on all cylinders. The spark plugs will be one of the first things a professional mechanic will look at when an engine isn’t running smoothly.

2. Car Won’t Start

If your car won’t start at all or is struggling to fire up in the morning, one of the spark plugs could be the culprit. Of course, there are any number of automotive issues that can affect the engine starting (fuel system, alternator, battery, ignition, wiring or internal engine damage). When the engine won’t start or struggles to start, you will definitely want to get the vehicle checked out by an auto repair specialist.

3. Misfiring Engine

In addition to rough idling, you may notice the engine is misfiring while you drive. Loud pops and bangs might occur, and this means that something isn’t right. In many cases, it’s just a weak spark plug or a wiring issue causing this problem.

4. Bad Gas Mileage

If your fuel economy isn’t as good as it should be, there are a lot of things that can lead to poor MPG. A faulty spark plug is one of the common problems.

5. Spark Plug Corrosion

Looking at the spark plugs can tell you a lot about their health. If there is a lot of corrosion or crustiness around the connections, then it’s likely they are due to be replaced as soon as possible.

6. Poor Acceleration

Lastly, the car struggling to accelerate is another sign of failing spark plugs. It could also be a transmission issue or something else altogether, so it’s a good idea to bring your vehicle to an automotive expert for a proper diagnosis and repairs.

If you think you have a bad spark plug or any other automotive problem, Simard Automotive is the name to know in the Fairbanks area. We have two excellent auto repair shops to serve you, and our service team is second to none. Call Simard Automotive today at (855) 690-0889 (Aeronca Ave.) or (855) 639-5001 (Gaffney Rd.), or schedule your service appointment online.

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