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

i took it to autozone to get checked and they said they couldnt because they can only check 96 and up.

by in Amarillo, TX on February 13, 2013
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2 answers
ANSWER by , February 13, 2013
look at this youtube. http://www.youtube.com/watch?v=wnKJ4QD0Rq4
ANSWER by , February 13, 2013
seek a diag and est from your mech