The Check Engine Light's Hidden Agenda Could Spark Plugs Be Its Pawn?

The spark plug wires deliver the spark from the ignition coil to the spark plugs. When the plugs are failing, the spark plug will misfire ... Some owners ask if spark plugs cause the check engine light to flash? This ... A bad, old or dirty spark plug can cause the engine to misfire. If the ... The check engine light is usually related to engine misfires. Keep in mind that a check engine light could also be stimulated by other things, not just an old ... Bad spark plug wires can also cause your check engine light to come on. Battery Issues. Your vehicle's battery is another important component of engine function ... If your spark plugs or spark plug wires are bad or former, you will experience poor performance and reduced power. In some extreme cases, your engine will have ... If the plug wires are OEM and you have not upgraded changed them since - never - then you can also see how the wires can show a loss in the ... Worn spark plugs are another common problem that can cause your CEL to illuminate. If the plugs are worn down—or the ignition coil, which provides the ... Low oil pressure is a common cause of a check engine light turning on, and it can seriously interfere with your car's performance. · Spark plugs are pieces of ... Place the old coil and plug on a metal engine part so that the outside of the sparkplug is touching grounded metal. Start the engine. It will ... Flashing CEL can mean misfire, so check plug wires, etc, to make sure they are OK. You may need to read and then reset the codes after you check ...