The check engine lights stays on and then goes off the next day on 2000 Pontiac Montana

The check engine light came on and stayed on all night. The following morning the light went out. ?????

by in Henderson, KY on October 25, 2010
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2 answers
ANSWER by , February 10, 2011
Check owners manual for possible answer!
ANSWER by , October 25, 2010
There are still trouble codes in the memory. Take it to a repair shop and get a computer diagnostic. They will be able to tell you what caused it. Zee