[s-cars] Urgent.. UrS4 vibrates when turbo should kick

[Paul Dooley]

snip:

So, I will replace spark plugs. How can I check coils??

Thanks,
Ivan


Ivan,

I know the procedure as been posted recently.  Try searching the 
archives for bad coil (you'll get lots of hits).  But anyway, when you 
are changing your spark plugs, be sure to check your coil wires 
carefully.  They are known to get brittle and cause misfires.

Paul Dooley