i have a 2001 nissan sentra and i cant get the 3rd and 4th coil pack to fire on 2001 Nissan Sentra

it has fir going to the plug but is not working

by in Hillsboro, WV on January 22, 2012
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1 answer
ANSWER by , January 22, 2012
Test the signal going to the 3 and 4 cylinder coil pack. Is the power train computer signaling the coil pack correctly?