1997 Audi A4 Quattro Q&A

1997 Audi A4 Quattro Question: How to check for clogged fuel line(s) or fuel filter & how to resolve if need be

Since battery replacement Car cranks, but hasn't started. Fuses are good, all wires connected..has almost quarter tank of gas, so I don't know what the issue is. -
Answer 1
check for spark and fuel pressure -