It may seem counter-intuitive that something as small as a spark plug could influence the performance of your vehicle in a big way, but it does. Bad spark plugs lead to a myriad of performance issues ranging from acceleration problems to low fuel efficiency and start-up failures. These negative impacts can ruin your day and make your vehicle less fun to drive.

 

Uneven Acceleration

 

Spark plugs ignite the fuel in the combustion chambers of your engine, but if they don’t fire regularly, your ability to accelerate will be inhibited. So, if you step on your gas pedal and you don’t feel a smooth increase in speed, it’s time to check your spark plugs. This inability to accelerate can be dangerous in certain instances, especially when you’re on the freeway or you’re trying to avoid a road hazard. Once you notice this performance issue, it’s best to take your vehicle in for a tune-up.

 

Low Fuel Efficiency

 

Spark plugs that don’t fire regularly or in tandem can cause low fuel efficiency, which is bad for your wallet and for your vehicle as a whole. The wasted fuel may start out as being a small problem, but over time it can end-up really costing you. As the bad spark plugs become worse, you’ll start to notice other performance issues and malfunctions. If the money you’re putting into your gas tank seems to be evaporating before your eyes, it’s time to take your vehicle in for service.

 

Difficult Startups

 

If you try to start your vehicle in the morning before you head to work, and the engine won’t turn over, you may have a problem with your spark plugs. This is an unfortunate situation, because it can leave you in a real bind. In some instances, you may be able to start your vehicle but it will be difficult. In these situations, it’s best to drive straight to the auto service shop, if you feel comfortable. Otherwise, it’s time to have your vehicle towed to the shop.

 

Bad spark plugs can impact everything from fuel efficiency to starting your vehicle and everything in between. As a result, regular maintenance and tune-ups are necessary to keep your spark plugs fresh. The negative consequences of bad spark plugs justify regular service, so don’t hesitate to visit an auto repair shop if you feel something is wrong with your vehicle.

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