Check Engine Light Illuminated Can Spark Plugs Be the Underlying Cause?

A defective, old or dirty spark plug can cause the engine to misfire. If your check engine light is constantly flashing, please contact our team of automotive ... Old spark plugs or fried spark plug wires can also signal your check engine light to turn on. Unfortunately, it's hard to tell if this is the ... If your car, truck, or SUV won't start, you may inherently assume it is a battery problem. But, the problem could very well be due to old spark ... 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 ... 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 ... Yes. If a cylinder is misfiring because the spark plug is not creating a spark, for whatever reason, you'll get a misfire code and the check engine light will ... If your spark plugs are fouled or damaged, it can lead to a host of problems including reduced gas mileage, slow acceleration, engine misfires and trouble ... When these things grow old, they can cause your engine to misfire, which will trigger the check engine light to illuminate. The other symptoms ... Spark plugs: ... Old spark plugs and wires can reduce the performance of your car and cause your fuel economy to decrease. When these need to be replaced due to ... The spark plug wires deliver the spark from the ignition coil to the spark plugs. If your spark plugs or spark plug wires are bad or old, you will experience a ...