how to access fault codes on 1995 Audi A6. on 1995 Audi A6

I am getting a check engine light coming on now and again, then it turns off on its own, then on again. It is always off after a restart. Stays off for sometimes a long time then on again.

2 answers
The fuel tank of an 1995 Audi A6 Quattro holds 21.1 U.S. gallons. It also takes 5.3 quarts of oil. Hope this helps.lightdeal
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