oil in spark plug

The most common reason for oil on spark plugs is a leaking valve cover gasket. If you find oil on the spark plug electrode, it may be caused by clogged crankcase ventilation, faulty turbocharger, bad intake valve seals, or bad piston rings.

Can I drive with oil in my spark plugs?

Oil in a spark plug can do extensive damage to different areas of the motor, such as warping or breaking the valves and pistons or destroying the head gasket, which could lead to bigger problems. If left unresolved, this will not only hurt engine performance, it might even cause the engine to catch on fire.

Can oil in spark plugs cause no start?

Yes, oil on the spark plugs can cause the car not to start. When oil gets to the spark plug, it means that the oil might have shorted out all the plug wires and coils leading to the engine not starting.