How to turn off the Check Engine Light

You have to resolve the problem to make the light turn off. Have your ecm scanned and tackle the problem.

Try checking the codes first, here are some instructions: http://volvospeed.com/CheckEngine.php Then post the codes here and we can instruct you further, here is a list of the codes: http://volvospeed.com/vs_forum/index.php/topic/47502-dtc-information/ Make sure you check the codes at pin 2 (Fuel System) and pin 6 (ignition system)