Car bogging down when idle or come to red light.Rpm drops real fast almost stall on 2006 Honda Civic

Just put a new alternator has new battery car still not idling correctly. Has all new coils and spark plugs. When put car from park to drive or drive to park car bogs down idle drops real fast same if you come to a stop.

by in Manchester, NH on June 10, 2014
2 answers 1 comment
ANSWER by on June 10, 2014
Possible IAC (idle air control) issue or exhaust flow problem. Do you have a check engine light on? If so, get a free read at Autozone and post results.
COMMENT by on June 10, 2014
No lights no codes battery light was coming on before alternator went but hasn't come back on since new alternator
ANSWER by on June 10, 2014
try cleaning the throttle body
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