Your vehicle uses complex computer systems to allow different components to communicate back and forth quickly. However, if you experience a reduction in your MPGs under normal driving circumstances, it’s a good idea to check your spark plugs.
You may notice a drop in fuel if you’re towing, driving in stop-and-go traffic, or dealing with elevation changes. This will help you know what your fuel economy was for that tank.ĭon’t forget that your fuel economy can change for various reasons. Your bank account will definitely take a hit with the prices we see at the pump lately! It’s a good idea to reset your trip meter each time you fill up your tank. If your spark plugs go bad, you could experience as much as a 30% loss in your fuel economy. However, by knowing what to watch out for, you can avoid a much more serious situation down the road. Some are larger than others, but, ultimately, your vehicle will lack efficiency. What Happens When Spark Plugs Go Bad?Ī handful of things happen when your spark plugs go bad. The spark lasts roughly 1/1000th of a second, and it ignites thousands of times every minute while your vehicle runs. In the time it takes for you to snap your fingers, it has done its job multiple times. The spark created from the ignition coil interacting with the spark plug will ignite the fuel. This coil generates the voltage necessary to create a spark. One end of it connects to an ignition coil. Let’s get started! What Do Spark Plugs Do for Your Car?Ī spark plug sits in a cylinder head in your vehicle’s engine.
BAD SPARK PLUG HOW TO
Today, we’ll teach you how to save yourself a headache and easily spot bad ones in your vehicle. A bad spark plug can make the difference in getting you from point A to point B.įailing to maintain them can leave you and your vehicle high and dry when you need to go somewhere. Spark plugs may be relatively tiny in the grand scheme of car parts, but they have a big job.
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