Spark plugs themselves don't directly cause a car to burn less gas. However, if the spark plugs are worn out, improper gapped, fouled, or faulty, it can lead to inefficient combustion, resulting in increased fuel consumption. Efficient combustion requires a strong and consistent spark to ignite the air-fuel mixture in the engine cylinders at the right time. Old or damaged spark plugs can affect the quality and timing of the spark, leading to incomplete combustion and wasted fuel.
By replacing old or faulty spark plugs with new ones that meet the manufacturer's specifications, you can ensure proper ignition and efficient fuel burn, which may contribute to improved fuel economy. Additionally, regular maintenance, such as checking and replacing spark plugs as recommended in the vehicle's owner manual, can help keep the engine running smoothly and efficiently, potentially reducing fuel consumption over time.
