My sparkplug is very difficult to unfasten. Three of my four sparkplug do not unfasten from the engine's top. I use very high force ´to unfasten them but they are not unfasten, I tryed both with cold engine and varm engine - the do not unfasten. What should I do for unfasten the sparkplug without broken them in their enginehole in the enginetop. Please help me.
- posted
19 years ago