truck was running good then all sudden went to 1/2 power,engine shaking on 2001 Mazda B3000

this happenned when I was driving down the road,also check engine light came on

by in Augusta, GA on February 26, 2013
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2 answers 1 comment
ANSWER by , February 27, 2013
first have it scan tested for codes
COMMENT by , March 02, 2013
Thanks guy's I did have the codes checked and it was running on 4 cyls. It was the Ignition control module.
ANSWER by , February 27, 2013
agree with goodguy then post codes so we can adv