check engine light on 1990 Ford Aerostar

my check engine light comes on once in a while,but doesent stay on, it does not affect the driving ability, but gets anoying.. how do i find out whats wrong?

by in Portland, OR on June 01, 2010
1 answer
ANSWER by on June 01, 2010
the old OBD1 systems do not have a quick check like the new cars. it takes a special scanner to read those. take it to a shop and let them check it Roy
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