In Reply to: "Check engine" light came up. How long should I posted by wait ? Stepan on January 30, 2000 at 18:58:56:
It took a full week for my light to go out. My wife had filled the car up and the cap wasn't on tight. I was just about to give up and go to the dealer to have it checked when it went out. Be patient.
'99 540I6 (15K miles)