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Hawthorne and Lawndale Auto Repair

14929 Prairie Ave , Lawndale, CA 90260
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Tell-Tale Signs That Indicate You Have Worn Spark Plugs


Spark plugs are essential for generating the electrical charge required to ignite the air-fuel mixture within your car's combustion engine. This ignition process acts as the catalyst for starting your vehicle and ensuring its continuous movement on the road. Neglecting to replace your spark plugs at the recommended intervals can have immediate consequences on performance and potentially lead to long-term damage to the engine.

If you've observed any of the signs listed below, it's essential to schedule a service appointment and allow us to examine your vehicle more closely.

1. Difficulty Starting the Engine

At times, the indications of worn-out spark plugs can remain unnoticed until you encounter the inconvenience of a non-responsive engine, leaving you stuck in your driveway. If your engine is having trouble starting (takes long to start or won't start at all), faulty spark plugs are likely the underlying issue. If you notice this issue, it's time to have your spark plugs checked and replaced if necessary.

2. Engine Idling is Rough and Noisy

You may have fortunately managed to start your car, but now you may notice an irregular, shaky, or rough engine motion. Faulty spark plugs can lead to incomplete combustion, resulting in an uneven engine idle. You might experience vibrations or hear unusual noises when the engine is running at a standstill. Ignoring this issue can lead to more severe problems, such as misfires or engine stalling.

3. Reduced Fuel Efficiency

Worn spark plugs impose an additional burden on your engine, hindering their ability to burn the fuel in the combustion chamber efficiently. The consequences of deteriorated spark plugs will be evident in your wallet as you find yourself spending more money on fuel. This frustrating increase in fuel consumption serves as an early warning sign of faulty spark plugs.

4. Your Car Struggles to Accelerate

As a spark plug nears the end of its lifespan, its capacity to produce the necessary spark diminishes, resulting in an inadequate ignition source for the fuel-air mixture within the combustion chamber. This lack of spark energy becomes evident in one of the most noticeable ways—your car struggles to accelerate smoothly and effectively.

5. Excessive Noise During Normal Driving

Whether your car has a 4, 6 or 8-cylinder engine, you'll notice when at least one of the spark plugs is malfunctioning through the unusual noises the engine generates. When a spark plug fails to function correctly, it puts additional strain on the remaining cylinders, resulting in unusual sounds like rattling while driving.

Keeping an eye out for the signs discussed above can help you identify when your car needs new spark plugs. Spark plug replacement helps ensure your vehicle runs smoothly and efficiently.

If you need a spark plug replacement, call Rick's Automotive Service Inc. today. Our team of skilled technicians is ready to lend a hand and get your car back on the road, operating at its best. Rest assured that we only use high-quality spark plugs, ensuring optimal performance and long-lasting reliability.

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