my epc light came on what is it? on 2005 Audi A4 Quattro

yea the other day i went out to start my car and it gave me a little trouble but it started and that light came on.so i went down the road and shut it off for like 20 mins or so and started it back up and the light went off...but today i was letting it idle and it jus shut off and that light that light came on again and stayed on what is it?

by in Smithfield, PA on October 25, 2010
1 answer
ANSWER by on October 25, 2010
Many different things could cause the EPC light to be on. You need to get a computer diagnostic. I'd suggest to take it to a VW/Audi specialty shop, who has VAG-COM or similar diagnostic capability. Zee