The check engine light is on as well as the VSC and Track off light-- why? on 2003 Toyota 4Runner

I know the car is over due for an oil change (I'm bad-- first time really).

by in Omaha, NE on August 06, 2013
1 answer 2 comments
ANSWER by , August 06, 2013
see previous post
COMMENT by , August 06, 2013
What is the reason/reasons?
COMMENT by , August 06, 2013
there is a system failure of some kind