Why does my 2010 Hyundai Accent keep backfiring? on 2010 Hyundai Accent

Check engine light kept coming on and when the vehicle is taken in, the technician cannot find a problem (typical). The vehicle has been taken to a Hyundai dealership for the same problem more than three times. The last time a coil was changed, the check engine light does not come on anymore, but the car continues to backfire.

by in Springfield, VA on January 31, 2013
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1 answer
ANSWER by , January 31, 2013
could be another coil has gone bad. seek another diag and est. have them read misfire data with scanner