Signs that your car needs new spark plugs Signs that your car needs new spark plugs. When a vehicle is sluggish, When the vehicle misfires frequently When the vehicle stalls after ignition, When there is a rattling, pinging, or knock like noise. Poor fuel economy Reduced performance Similarly, if the car uses more fuel or the engine makes a rattling, pinging, or knocking sound when idling, it may be an indication the engine is not firing properly. Without a spark, your car will not start. The plug plays a vital role in your vehicle. The only way to identify the… Read More
