The Spark Plug-Check Engine Light Interplay Unveiling the Connection

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 ... While something like a loose gas cap (a common cause behind the check engine light) can be fixed easily, other issues (faulty sensors, old spark ... One common cause of a check engine marker light-up is spark plug wires gone bad. As a spark plug ages, its wires begin to develop tiny cracks ... Check engine light on after spark plug replacement ; Jun 13, 2018. ycastro16's Avatar. ycastro16. Registered!! ycastro16 is an unknown quantity ... A damaged, old or dirty spark plug can cause the engine to misfire. If the problem is totally ignored or you continue to drive, this can spread to the spark ... Most of the time like in your case the check engine light goes away after a few key cycles. This is usually due to one of the sensors taking a ... – Check engine light – Engine misfires will trigger the check engine light. Have the codes read to determine if spark plugs are the culprit. Dirty spark plugs can cause misfires as partially burned engine oil can prevent the plugs ... Old spark plugs can simply break and fail to produce a spark. Worn or damaged spark plugs can cause incomplete combustion, leading to engine misfires, rough idling, and reduced power. This not only impacts performance ... You probably did not properly torque the new spark plugs. If they are even a little bit too loose you will get a check engine light after a few days of driving.