smoking car

[SCORPICHICK]

n.reg corsa.its been on the drive for months not bein used,so i had to charge the battery which is fine now,but wen i rev it up whiteish smoke comes out of the black plastic box under bonnet on drivers side,i did put some anti freeze in the water tank top up with tap water ,could the problem be ive put to much anti freeze in thats causing it to smoke. (confussed please help)

[woodchopper]

Black plastic box = air filter - no link beween adding water to the expansion bottle and your smoke - maybe something wrong with the exhaust/crankcase ventilation system. When was the air filter changed last ?