rough running audi 90 quattro when cold
my 1990 audi 90 20v quattro is a bit sick its running badly at low revs when i get them up over about 3500 it runs fine and then when the engine tem warms up the problem seems to go away? I cant afford to take it to a garage and am hoping the problem is only something minor that i can fix myself with some help has anyone got any ideas as to what my problem could be? should i just go 4 a full service and hope that cures it?
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