1994 Mercury Villager Q&A

1994 Mercury Villager Question: my check engine light turns on and off was wondering why?

i took it to autozone to get checked and they said they couldnt because they can only check 96 and up. -
Answer 1
look at this youtube. http://www.youtube.com/watch?v=wnKJ4QD0Rq4 -
Answer 2
seek a diag and est from your mech -