Audi a4 start problems
 

Lately coil light on dash doesnt come on and car wont start has been happening more frequently, on the occasions it comes on car starts and runs fine but odd time you stop at traffic lights etc car stops running and can be anything from 5-30 mins before it starts again, have replaced battery with a new one and crankshaft sensor , has got to stage very rarely coil light comes on and car starts now . But still does on odd occasion .