Spark Plug Enigma Can They Illuminate the Check Engine Light?

It sounds like oil that seeped from the cylinder head into the spark plug tube. A good initial fix (if it's not too bad) is to clean out the plug tube really ... A faulty, 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 ... 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 ... My wife drives a 2012 Hyundai Elantra Limited (4 cyl) And just got a check engine light and needs to replace a spark plug. The problem is she is about 250 ... 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. Bad spark plugs can cause your engine to misfire. The engine's ... will create a code that turns on the check engine light. A flashing ... 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 ... I've had my Check engine light on for a couple of months. I took it to the dealer and was told that it was code P0171 - System Too Lean - Bank No. 1 (and ... Spark plugs and ignition coils play an essential role in a vehicle's ignition system. Working together, they ensure the engine starts smoothly ...