why does check engine light come on in town,but not on interstate? on 1995 Audi A6 Quattro

lower speeds and rpm light comes on.Higher speed and rpm will stay off until I reduce speed to 2000 rpm.

by in Corvallis, OR on August 24, 2012
2 answers
ANSWER by on August 24, 2012
Scanner can answer that one,have test performed.
ANSWER by on August 24, 2012
HAVE CODES SCANNED AND POST ITS COULD BE SEVERAL ISSUES