Given the bare minimum info you have given us...like year, does it start,
run, turn over, flash codes, etc. etc. I'd have to say that you might have
a blown engine - busted valves and pistons allowing blowby and gas to enter
intake on compression stroke.
You might also have a rodent's nest in the tailpipe.
try www.sjmautotechnik.com or www.humanspeakers.com/audi or www.audifans.com
(search the archives there)
1987 Audi 5kTQ - no gas in air filter
1980 Audi 5k - ditto
1962 and '64 Auto Union DKW Junior deLuxes - had gas shooting out of carb -
then it fired out the dead mouse and nest from the rear muffler - now no
(SPAM Blocker NOTE: Remove SHOES to reply)
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