Spark Plugs An Overlooked Factor in Check Engine Light Illuminations

During a misfire, the engine stumbles for a moment or even loses its speed. If you don't replace the faulty spark plugs, the misfires could damage your ... The check engine light will flag when there is a problem and a code will be stored in the computer that will help diagnose the problem. When these things grow old, they can cause your engine to misfire, which will trigger the check engine light to illuminate. The other symptoms ... Getting check engine light after replacing spark plug ... same thing happened to me. disconnect negative terminal on battery, go smoke a cigarette ... A bad spark plug wire can and will make your check engine light turn on. As its name implies, a spark plug wire transfers electricity from the ... Since ignition coils ignite spark plugs using the current from the car battery, faulty spark plugs can cause the ignition coils to go bad. This can precisely be the cause. A faulty, old or dirty spark plug can cause the engine to misfire. If the problem is completely ignored or you continue to ... Well there are many things that can cause the check engine light to come on and unfortunately I can not guess . ... Previous. Here's what ... A broken, old or dirty spark plug can cause the engine to misfire. If the problem is completely ignored or you continue to drive, this can spread to the spark ... Faulty spark plugs will set off your check engine light to come on or even blink. This light is usually related to engine misfires. However, a ...