1996 A6 Avant

A6 C4 Sparkplug Popped Out Of Cylinder Head

Popped Out Spark Plug

The car was running smoothly until one day, it just sounded so badly and the wife thought the engine was blown. It’s still drivable, shaking at idle and losing power because sparkplug #1 physically popped out of the head with all threads still good… Amazing. I started to look for a new car until I