List Of 2005 Scion Xb Running Rough Check Engine Light On Ideas. The check engine light is on with a code indicating a small vacuum leak. i've changed out two gas caps ( the last one was even from the toyoda dealer) to no avail. Web rough running conditions and smoke from exhaust;
Every time i start my car the check engine light blinks on and off for about 10 times then goes away. Web 2006 toyota scion xb. Web 2778 posts · joined 2006.
