2004 Engine problem Fixed
<img src="http://pictureposter.audiworld.com/70547/s4_repair.jpg">
I did have a scare after driving the car 100 miles back home and noticing that it was idling rough, and the next day the check engine light came on, and the engine started hesitating under acceleration. Turns out it was a fouled plug on the same side the cylinder head was replaced.



